Home / 162,432.41-243,648.61-79,255.13

Finding the Fourth Proportional to 162,432.41, 243,648.61 and 79,255.13

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Solution

The fourth proportional to 162,432.41, 243,648.61 and 79,255.13 is: 118,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,432.41 : 243,648.61 = 79,255.13 : x
  2. Step 2: Convert to fraction form
    162,432.41/243,648.61 = 79,255.13/x
  3. Step 3: Cross multiply
    162,432.41x = 243,648.61 × 79,255.13
  4. Step 4: Simplify right side
    162,432.41x = 19,310,400,843.49
  5. Step 5: Solve for x
    x = 19,310,400,843.49/162,432.41
  6. Step 6: Final answer
    x = 118,882.69

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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.