Home / 118,983.40-178,462.95-40,098.31

Finding the Fourth Proportional to 118,983.40, 178,462.95 and 40,098.31

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Solution

The fourth proportional to 118,983.40, 178,462.95 and 40,098.31 is: 60,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,983.40 : 178,462.95 = 40,098.31 : x
  2. Step 2: Convert to fraction form
    118,983.40/178,462.95 = 40,098.31/x
  3. Step 3: Cross multiply
    118,983.40x = 178,462.95 × 40,098.31
  4. Step 4: Simplify right side
    118,983.40x = 7,156,062,692.61
  5. Step 5: Solve for x
    x = 7,156,062,692.61/118,983.40
  6. Step 6: Final answer
    x = 60,143.37

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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.