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Finding the Fourth Proportional to 162,006.96, 223,568.88 and 90,387.06

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Solution

The fourth proportional to 162,006.96, 223,568.88 and 90,387.06 is: 124,733.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,006.96 : 223,568.88 = 90,387.06 : x
  2. Step 2: Convert to fraction form
    162,006.96/223,568.88 = 90,387.06/x
  3. Step 3: Cross multiply
    162,006.96x = 223,568.88 × 90,387.06
  4. Step 4: Simplify right side
    162,006.96x = 20,207,733,770.69
  5. Step 5: Solve for x
    x = 20,207,733,770.69/162,006.96
  6. Step 6: Final answer
    x = 124,733.74

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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.