Home / 90,209.36-124,397.16-54,392.24

Finding the Fourth Proportional to 90,209.36, 124,397.16 and 54,392.24

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Solution

The fourth proportional to 90,209.36, 124,397.16 and 54,392.24 is: 75,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,209.36 : 124,397.16 = 54,392.24 : x
  2. Step 2: Convert to fraction form
    90,209.36/124,397.16 = 54,392.24/x
  3. Step 3: Cross multiply
    90,209.36x = 124,397.16 × 54,392.24
  4. Step 4: Simplify right side
    90,209.36x = 6,766,240,182.04
  5. Step 5: Solve for x
    x = 6,766,240,182.04/90,209.36
  6. Step 6: Final answer
    x = 75,005.97

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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.