Home / 163,449.98-245,189.08-45,121.34

Finding the Fourth Proportional to 163,449.98, 245,189.08 and 45,121.34

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Solution

The fourth proportional to 163,449.98, 245,189.08 and 45,121.34 is: 67,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,449.98 : 245,189.08 = 45,121.34 : x
  2. Step 2: Convert to fraction form
    163,449.98/245,189.08 = 45,121.34/x
  3. Step 3: Cross multiply
    163,449.98x = 245,189.08 × 45,121.34
  4. Step 4: Simplify right side
    163,449.98x = 11,063,259,842.97
  5. Step 5: Solve for x
    x = 11,063,259,842.97/163,449.98
  6. Step 6: Final answer
    x = 67,685.91

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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.