Home / 119,277.38-178,923.63-39,320.66

Finding the Fourth Proportional to 119,277.38, 178,923.63 and 39,320.66

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Solution

The fourth proportional to 119,277.38, 178,923.63 and 39,320.66 is: 58,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,277.38 : 178,923.63 = 39,320.66 : x
  2. Step 2: Convert to fraction form
    119,277.38/178,923.63 = 39,320.66/x
  3. Step 3: Cross multiply
    119,277.38x = 178,923.63 × 39,320.66
  4. Step 4: Simplify right side
    119,277.38x = 7,035,395,221.20
  5. Step 5: Solve for x
    x = 7,035,395,221.20/119,277.38
  6. Step 6: Final answer
    x = 58,983.48

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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.