Home / 90,041.18-124,261.17-54,242.42

Finding the Fourth Proportional to 90,041.18, 124,261.17 and 54,242.42

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Solution

The fourth proportional to 90,041.18, 124,261.17 and 54,242.42 is: 74,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,041.18 : 124,261.17 = 54,242.42 : x
  2. Step 2: Convert to fraction form
    90,041.18/124,261.17 = 54,242.42/x
  3. Step 3: Cross multiply
    90,041.18x = 124,261.17 × 54,242.42
  4. Step 4: Simplify right side
    90,041.18x = 6,740,226,572.83
  5. Step 5: Solve for x
    x = 6,740,226,572.83/90,041.18
  6. Step 6: Final answer
    x = 74,857.16

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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.