Home / 154,275.40-231,403.38-49,169.80

Finding the Fourth Proportional to 154,275.40, 231,403.38 and 49,169.80

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Solution

The fourth proportional to 154,275.40, 231,403.38 and 49,169.80 is: 73,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,275.40 : 231,403.38 = 49,169.80 : x
  2. Step 2: Convert to fraction form
    154,275.40/231,403.38 = 49,169.80/x
  3. Step 3: Cross multiply
    154,275.40x = 231,403.38 × 49,169.80
  4. Step 4: Simplify right side
    154,275.40x = 11,378,057,913.92
  5. Step 5: Solve for x
    x = 11,378,057,913.92/154,275.40
  6. Step 6: Final answer
    x = 73,751.60

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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.