Home / 125,434.68-173,090.82-71,721.96

Finding the Fourth Proportional to 125,434.68, 173,090.82 and 71,721.96

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Solution

The fourth proportional to 125,434.68, 173,090.82 and 71,721.96 is: 98,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,434.68 : 173,090.82 = 71,721.96 : x
  2. Step 2: Convert to fraction form
    125,434.68/173,090.82 = 71,721.96/x
  3. Step 3: Cross multiply
    125,434.68x = 173,090.82 × 71,721.96
  4. Step 4: Simplify right side
    125,434.68x = 12,414,412,868.41
  5. Step 5: Solve for x
    x = 12,414,412,868.41/125,434.68
  6. Step 6: Final answer
    x = 98,971.14

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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.