Home / 242,715.20-363,963.45-92,905.70

Finding the Fourth Proportional to 242,715.20, 363,963.45 and 92,905.70

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Solution

The fourth proportional to 242,715.20, 363,963.45 and 92,905.70 is: 139,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,715.20 : 363,963.45 = 92,905.70 : x
  2. Step 2: Convert to fraction form
    242,715.20/363,963.45 = 92,905.70/x
  3. Step 3: Cross multiply
    242,715.20x = 363,963.45 × 92,905.70
  4. Step 4: Simplify right side
    242,715.20x = 33,814,279,096.67
  5. Step 5: Solve for x
    x = 33,814,279,096.67/242,715.20
  6. Step 6: Final answer
    x = 139,316.69

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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.