Home / 162,121.52-243,175.08-49,797.20

Finding the Fourth Proportional to 162,121.52, 243,175.08 and 49,797.20

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Solution

The fourth proportional to 162,121.52, 243,175.08 and 49,797.20 is: 74,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,121.52 : 243,175.08 = 49,797.20 : x
  2. Step 2: Convert to fraction form
    162,121.52/243,175.08 = 49,797.20/x
  3. Step 3: Cross multiply
    162,121.52x = 243,175.08 × 49,797.20
  4. Step 4: Simplify right side
    162,121.52x = 12,109,438,093.78
  5. Step 5: Solve for x
    x = 12,109,438,093.78/162,121.52
  6. Step 6: Final answer
    x = 74,693.59

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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.