Home / 125,489.10-188,155.89-58,943.82

Finding the Fourth Proportional to 125,489.10, 188,155.89 and 58,943.82

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Solution

The fourth proportional to 125,489.10, 188,155.89 and 58,943.82 is: 88,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,489.10 : 188,155.89 = 58,943.82 : x
  2. Step 2: Convert to fraction form
    125,489.10/188,155.89 = 58,943.82/x
  3. Step 3: Cross multiply
    125,489.10x = 188,155.89 × 58,943.82
  4. Step 4: Simplify right side
    125,489.10x = 11,090,626,912.10
  5. Step 5: Solve for x
    x = 11,090,626,912.10/125,489.10
  6. Step 6: Final answer
    x = 88,379.21

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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.