Home / 162,318.10-243,311.55-109,732.90

Finding the Fourth Proportional to 162,318.10, 243,311.55 and 109,732.90

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Solution

The fourth proportional to 162,318.10, 243,311.55 and 109,732.90 is: 164,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,318.10 : 243,311.55 = 109,732.90 : x
  2. Step 2: Convert to fraction form
    162,318.10/243,311.55 = 109,732.90/x
  3. Step 3: Cross multiply
    162,318.10x = 243,311.55 × 109,732.90
  4. Step 4: Simplify right side
    162,318.10x = 26,699,281,985.00
  5. Step 5: Solve for x
    x = 26,699,281,985.00/162,318.10
  6. Step 6: Final answer
    x = 164,487.40

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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.