Home / 90,167.46-124,412.67-54,359.79

Finding the Fourth Proportional to 90,167.46, 124,412.67 and 54,359.79

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Solution

The fourth proportional to 90,167.46, 124,412.67 and 54,359.79 is: 75,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,167.46 : 124,412.67 = 54,359.79 : x
  2. Step 2: Convert to fraction form
    90,167.46/124,412.67 = 54,359.79/x
  3. Step 3: Cross multiply
    90,167.46x = 124,412.67 × 54,359.79
  4. Step 4: Simplify right side
    90,167.46x = 6,763,046,614.54
  5. Step 5: Solve for x
    x = 6,763,046,614.54/90,167.46
  6. Step 6: Final answer
    x = 75,005.40

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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.