Home / 162,253.20-243,407.40-49,930.86

Finding the Fourth Proportional to 162,253.20, 243,407.40 and 49,930.86

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Solution

The fourth proportional to 162,253.20, 243,407.40 and 49,930.86 is: 74,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,253.20 : 243,407.40 = 49,930.86 : x
  2. Step 2: Convert to fraction form
    162,253.20/243,407.40 = 49,930.86/x
  3. Step 3: Cross multiply
    162,253.20x = 243,407.40 × 49,930.86
  4. Step 4: Simplify right side
    162,253.20x = 12,153,540,812.36
  5. Step 5: Solve for x
    x = 12,153,540,812.36/162,253.20
  6. Step 6: Final answer
    x = 74,904.78

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1.5x scale

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.