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Finding the Fourth Proportional to 162,771.96, 224,614.40 and 90,169.92

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Solution

The fourth proportional to 162,771.96, 224,614.40 and 90,169.92 is: 124,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,771.96 : 224,614.40 = 90,169.92 : x
  2. Step 2: Convert to fraction form
    162,771.96/224,614.40 = 90,169.92/x
  3. Step 3: Cross multiply
    162,771.96x = 224,614.40 × 90,169.92
  4. Step 4: Simplify right side
    162,771.96x = 20,253,462,478.85
  5. Step 5: Solve for x
    x = 20,253,462,478.85/162,771.96
  6. Step 6: Final answer
    x = 124,428.45

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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.