Home / 102,001.11-140,758.73-56,677.92

Finding the Fourth Proportional to 102,001.11, 140,758.73 and 56,677.92

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Solution

The fourth proportional to 102,001.11, 140,758.73 and 56,677.92 is: 78,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,001.11 : 140,758.73 = 56,677.92 : x
  2. Step 2: Convert to fraction form
    102,001.11/140,758.73 = 56,677.92/x
  3. Step 3: Cross multiply
    102,001.11x = 140,758.73 × 56,677.92
  4. Step 4: Simplify right side
    102,001.11x = 7,977,912,038.24
  5. Step 5: Solve for x
    x = 7,977,912,038.24/102,001.11
  6. Step 6: Final answer
    x = 78,213.97

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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.