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Finding the Fourth Proportional to 162,932.40, 244,325.70 and 74,140.20

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Solution

The fourth proportional to 162,932.40, 244,325.70 and 74,140.20 is: 111,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,932.40 : 244,325.70 = 74,140.20 : x
  2. Step 2: Convert to fraction form
    162,932.40/244,325.70 = 74,140.20/x
  3. Step 3: Cross multiply
    162,932.40x = 244,325.70 × 74,140.20
  4. Step 4: Simplify right side
    162,932.40x = 18,114,356,263.14
  5. Step 5: Solve for x
    x = 18,114,356,263.14/162,932.40
  6. Step 6: Final answer
    x = 111,177.13

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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.