Home / 125,035.29-172,544.40-71,337.69

Finding the Fourth Proportional to 125,035.29, 172,544.40 and 71,337.69

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Solution

The fourth proportional to 125,035.29, 172,544.40 and 71,337.69 is: 98,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,035.29 : 172,544.40 = 71,337.69 : x
  2. Step 2: Convert to fraction form
    125,035.29/172,544.40 = 71,337.69/x
  3. Step 3: Cross multiply
    125,035.29x = 172,544.40 × 71,337.69
  4. Step 4: Simplify right side
    125,035.29x = 12,308,918,918.44
  5. Step 5: Solve for x
    x = 12,308,918,918.44/125,035.29
  6. Step 6: Final answer
    x = 98,443.56

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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.