Home / 162,214.66-243,321.85-118,121.91

Finding the Fourth Proportional to 162,214.66, 243,321.85 and 118,121.91

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Solution

The fourth proportional to 162,214.66, 243,321.85 and 118,121.91 is: 177,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,214.66 : 243,321.85 = 118,121.91 : x
  2. Step 2: Convert to fraction form
    162,214.66/243,321.85 = 118,121.91/x
  3. Step 3: Cross multiply
    162,214.66x = 243,321.85 × 118,121.91
  4. Step 4: Simplify right side
    162,214.66x = 28,741,641,666.73
  5. Step 5: Solve for x
    x = 28,741,641,666.73/162,214.66
  6. Step 6: Final answer
    x = 177,182.76

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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.