Home / 102,550.62-141,519.87-56,610.30

Finding the Fourth Proportional to 102,550.62, 141,519.87 and 56,610.30

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Solution

The fourth proportional to 102,550.62, 141,519.87 and 56,610.30 is: 78,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,550.62 : 141,519.87 = 56,610.30 : x
  2. Step 2: Convert to fraction form
    102,550.62/141,519.87 = 56,610.30/x
  3. Step 3: Cross multiply
    102,550.62x = 141,519.87 × 56,610.30
  4. Step 4: Simplify right side
    102,550.62x = 8,011,482,296.66
  5. Step 5: Solve for x
    x = 8,011,482,296.66/102,550.62
  6. Step 6: Final answer
    x = 78,122.22

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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.