Home / 90,259.68-124,570.32-54,470.16

Finding the Fourth Proportional to 90,259.68, 124,570.32 and 54,470.16

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Solution

The fourth proportional to 90,259.68, 124,570.32 and 54,470.16 is: 75,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.68 : 124,570.32 = 54,470.16 : x
  2. Step 2: Convert to fraction form
    90,259.68/124,570.32 = 54,470.16/x
  3. Step 3: Cross multiply
    90,259.68x = 124,570.32 × 54,470.16
  4. Step 4: Simplify right side
    90,259.68x = 6,785,365,261.65
  5. Step 5: Solve for x
    x = 6,785,365,261.65/90,259.68
  6. Step 6: Final answer
    x = 75,176.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.