Home / 125,605.10-173,331.42-71,888.29

Finding the Fourth Proportional to 125,605.10, 173,331.42 and 71,888.29

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Solution

The fourth proportional to 125,605.10, 173,331.42 and 71,888.29 is: 99,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,605.10 : 173,331.42 = 71,888.29 : x
  2. Step 2: Convert to fraction form
    125,605.10/173,331.42 = 71,888.29/x
  3. Step 3: Cross multiply
    125,605.10x = 173,331.42 × 71,888.29
  4. Step 4: Simplify right side
    125,605.10x = 12,460,499,387.07
  5. Step 5: Solve for x
    x = 12,460,499,387.07/125,605.10
  6. Step 6: Final answer
    x = 99,203.77

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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.