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Finding the Fourth Proportional to 162,843.40, 244,640.53 and 156,117.43

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Solution

The fourth proportional to 162,843.40, 244,640.53 and 156,117.43 is: 234,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,843.40 : 244,640.53 = 156,117.43 : x
  2. Step 2: Convert to fraction form
    162,843.40/244,640.53 = 156,117.43/x
  3. Step 3: Cross multiply
    162,843.40x = 244,640.53 × 156,117.43
  4. Step 4: Simplify right side
    162,843.40x = 38,192,649,594.24
  5. Step 5: Solve for x
    x = 38,192,649,594.24/162,843.40
  6. Step 6: Final answer
    x = 234,536.07

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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.