Home / 125,983.76-188,998.68-52,117.52

Finding the Fourth Proportional to 125,983.76, 188,998.68 and 52,117.52

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Solution

The fourth proportional to 125,983.76, 188,998.68 and 52,117.52 is: 78,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,983.76 : 188,998.68 = 52,117.52 : x
  2. Step 2: Convert to fraction form
    125,983.76/188,998.68 = 52,117.52/x
  3. Step 3: Cross multiply
    125,983.76x = 188,998.68 × 52,117.52
  4. Step 4: Simplify right side
    125,983.76x = 9,850,142,484.87
  5. Step 5: Solve for x
    x = 9,850,142,484.87/125,983.76
  6. Step 6: Final answer
    x = 78,185.81

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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.