Home / 102,221.74-141,065.98-56,898.76

Finding the Fourth Proportional to 102,221.74, 141,065.98 and 56,898.76

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Solution

The fourth proportional to 102,221.74, 141,065.98 and 56,898.76 is: 78,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,221.74 : 141,065.98 = 56,898.76 : x
  2. Step 2: Convert to fraction form
    102,221.74/141,065.98 = 56,898.76/x
  3. Step 3: Cross multiply
    102,221.74x = 141,065.98 × 56,898.76
  4. Step 4: Simplify right side
    102,221.74x = 8,026,479,340.18
  5. Step 5: Solve for x
    x = 8,026,479,340.18/102,221.74
  6. Step 6: Final answer
    x = 78,520.28

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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.