Home / 123,553.17-185,167.76-70,269.65

Finding the Fourth Proportional to 123,553.17, 185,167.76 and 70,269.65

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Solution

The fourth proportional to 123,553.17, 185,167.76 and 70,269.65 is: 105,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,553.17 : 185,167.76 = 70,269.65 : x
  2. Step 2: Convert to fraction form
    123,553.17/185,167.76 = 70,269.65/x
  3. Step 3: Cross multiply
    123,553.17x = 185,167.76 × 70,269.65
  4. Step 4: Simplify right side
    123,553.17x = 13,011,673,103.68
  5. Step 5: Solve for x
    x = 13,011,673,103.68/123,553.17
  6. Step 6: Final answer
    x = 105,312.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.