Home / 161,919.52-242,820.98-68,432.56

Finding the Fourth Proportional to 161,919.52, 242,820.98 and 68,432.56

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Solution

The fourth proportional to 161,919.52, 242,820.98 and 68,432.56 is: 102,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,919.52 : 242,820.98 = 68,432.56 : x
  2. Step 2: Convert to fraction form
    161,919.52/242,820.98 = 68,432.56/x
  3. Step 3: Cross multiply
    161,919.52x = 242,820.98 × 68,432.56
  4. Step 4: Simplify right side
    161,919.52x = 16,616,861,283.11
  5. Step 5: Solve for x
    x = 16,616,861,283.11/161,919.52
  6. Step 6: Final answer
    x = 102,624.20

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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.