Home / 125,434.47-188,098.66-50,534.51

Finding the Fourth Proportional to 125,434.47, 188,098.66 and 50,534.51

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Solution

The fourth proportional to 125,434.47, 188,098.66 and 50,534.51 is: 75,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,434.47 : 188,098.66 = 50,534.51 : x
  2. Step 2: Convert to fraction form
    125,434.47/188,098.66 = 50,534.51/x
  3. Step 3: Cross multiply
    125,434.47x = 188,098.66 × 50,534.51
  4. Step 4: Simplify right side
    125,434.47x = 9,505,472,982.20
  5. Step 5: Solve for x
    x = 9,505,472,982.20/125,434.47
  6. Step 6: Final answer
    x = 75,780.39

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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.