Home / 123,129.92-184,617-52,015.58

Finding the Fourth Proportional to 123,129.92, 184,617 and 52,015.58

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Solution

The fourth proportional to 123,129.92, 184,617 and 52,015.58 is: 77,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,129.92 : 184,617 = 52,015.58 : x
  2. Step 2: Convert to fraction form
    123,129.92/184,617 = 52,015.58/x
  3. Step 3: Cross multiply
    123,129.92x = 184,617 × 52,015.58
  4. Step 4: Simplify right side
    123,129.92x = 9,602,960,332.86
  5. Step 5: Solve for x
    x = 9,602,960,332.86/123,129.92
  6. Step 6: Final answer
    x = 77,990.47

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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.