Home / 162,385.10-243,577.65-103,481.90

Finding the Fourth Proportional to 162,385.10, 243,577.65 and 103,481.90

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Solution

The fourth proportional to 162,385.10, 243,577.65 and 103,481.90 is: 155,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385.10 : 243,577.65 = 103,481.90 : x
  2. Step 2: Convert to fraction form
    162,385.10/243,577.65 = 103,481.90/x
  3. Step 3: Cross multiply
    162,385.10x = 243,577.65 × 103,481.90
  4. Step 4: Simplify right side
    162,385.10x = 25,205,878,019.54
  5. Step 5: Solve for x
    x = 25,205,878,019.54/162,385.10
  6. Step 6: Final answer
    x = 155,222.85

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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.