Home / 102,550.92-141,520.30-56,610.59

Finding the Fourth Proportional to 102,550.92, 141,520.30 and 56,610.59

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Solution

The fourth proportional to 102,550.92, 141,520.30 and 56,610.59 is: 78,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,550.92 : 141,520.30 = 56,610.59 : x
  2. Step 2: Convert to fraction form
    102,550.92/141,520.30 = 56,610.59/x
  3. Step 3: Cross multiply
    102,550.92x = 141,520.30 × 56,610.59
  4. Step 4: Simplify right side
    102,550.92x = 8,011,547,679.98
  5. Step 5: Solve for x
    x = 8,011,547,679.98/102,550.92
  6. Step 6: Final answer
    x = 78,122.63

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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.