Home / 123,159.18-184,737.66-38,919.36

Finding the Fourth Proportional to 123,159.18, 184,737.66 and 38,919.36

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Solution

The fourth proportional to 123,159.18, 184,737.66 and 38,919.36 is: 58,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,159.18 : 184,737.66 = 38,919.36 : x
  2. Step 2: Convert to fraction form
    123,159.18/184,737.66 = 38,919.36/x
  3. Step 3: Cross multiply
    123,159.18x = 184,737.66 × 38,919.36
  4. Step 4: Simplify right side
    123,159.18x = 7,189,870,935.96
  5. Step 5: Solve for x
    x = 7,189,870,935.96/123,159.18
  6. Step 6: Final answer
    x = 58,378.68

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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.