Home / 162,077.20-243,135.20-49,742.72

Finding the Fourth Proportional to 162,077.20, 243,135.20 and 49,742.72

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Solution

The fourth proportional to 162,077.20, 243,135.20 and 49,742.72 is: 74,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,077.20 : 243,135.20 = 49,742.72 : x
  2. Step 2: Convert to fraction form
    162,077.20/243,135.20 = 49,742.72/x
  3. Step 3: Cross multiply
    162,077.20x = 243,135.20 × 49,742.72
  4. Step 4: Simplify right side
    162,077.20x = 12,094,205,306.48
  5. Step 5: Solve for x
    x = 12,094,205,306.48/162,077.20
  6. Step 6: Final answer
    x = 74,620.03

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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.