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Finding the Fourth Proportional to 162,479.68, 224,242.80 and 90,863.68

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Solution

The fourth proportional to 162,479.68, 224,242.80 and 90,863.68 is: 125,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,479.68 : 224,242.80 = 90,863.68 : x
  2. Step 2: Convert to fraction form
    162,479.68/224,242.80 = 90,863.68/x
  3. Step 3: Cross multiply
    162,479.68x = 224,242.80 × 90,863.68
  4. Step 4: Simplify right side
    162,479.68x = 20,375,526,021.50
  5. Step 5: Solve for x
    x = 20,375,526,021.50/162,479.68
  6. Step 6: Final answer
    x = 125,403.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.