Home / 161,451.30-242,148.15-102,180.90

Finding the Fourth Proportional to 161,451.30, 242,148.15 and 102,180.90

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Solution

The fourth proportional to 161,451.30, 242,148.15 and 102,180.90 is: 153,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,451.30 : 242,148.15 = 102,180.90 : x
  2. Step 2: Convert to fraction form
    161,451.30/242,148.15 = 102,180.90/x
  3. Step 3: Cross multiply
    161,451.30x = 242,148.15 × 102,180.90
  4. Step 4: Simplify right side
    161,451.30x = 24,742,915,900.34
  5. Step 5: Solve for x
    x = 24,742,915,900.34/161,451.30
  6. Step 6: Final answer
    x = 153,253.12

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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.