Home / 446,148.23-669,222.34-130,605.13

Finding the Fourth Proportional to 446,148.23, 669,222.34 and 130,605.13

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Solution

The fourth proportional to 446,148.23, 669,222.34 and 130,605.13 is: 195,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,148.23 : 669,222.34 = 130,605.13 : x
  2. Step 2: Convert to fraction form
    446,148.23/669,222.34 = 130,605.13/x
  3. Step 3: Cross multiply
    446,148.23x = 669,222.34 × 130,605.13
  4. Step 4: Simplify right side
    446,148.23x = 87,403,873,657.80
  5. Step 5: Solve for x
    x = 87,403,873,657.80/446,148.23
  6. Step 6: Final answer
    x = 195,907.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.