Home / 90,195.85-124,508.61-56,221.27

Finding the Fourth Proportional to 90,195.85, 124,508.61 and 56,221.27

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Solution

The fourth proportional to 90,195.85, 124,508.61 and 56,221.27 is: 77,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,195.85 : 124,508.61 = 56,221.27 : x
  2. Step 2: Convert to fraction form
    90,195.85/124,508.61 = 56,221.27/x
  3. Step 3: Cross multiply
    90,195.85x = 124,508.61 × 56,221.27
  4. Step 4: Simplify right side
    90,195.85x = 7,000,032,180.13
  5. Step 5: Solve for x
    x = 7,000,032,180.13/90,195.85
  6. Step 6: Final answer
    x = 77,609.25

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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.