Home / 102,385.76-141,299.44-62,101.22

Finding the Fourth Proportional to 102,385.76, 141,299.44 and 62,101.22

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Solution

The fourth proportional to 102,385.76, 141,299.44 and 62,101.22 is: 85,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,385.76 : 141,299.44 = 62,101.22 : x
  2. Step 2: Convert to fraction form
    102,385.76/141,299.44 = 62,101.22/x
  3. Step 3: Cross multiply
    102,385.76x = 141,299.44 × 62,101.22
  4. Step 4: Simplify right side
    102,385.76x = 8,774,866,747.57
  5. Step 5: Solve for x
    x = 8,774,866,747.57/102,385.76
  6. Step 6: Final answer
    x = 85,703.98

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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.