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Finding the Fourth Proportional to 145,397.60, 218,096.40 and 95,631.20

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Solution

The fourth proportional to 145,397.60, 218,096.40 and 95,631.20 is: 143,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,397.60 : 218,096.40 = 95,631.20 : x
  2. Step 2: Convert to fraction form
    145,397.60/218,096.40 = 95,631.20/x
  3. Step 3: Cross multiply
    145,397.60x = 218,096.40 × 95,631.20
  4. Step 4: Simplify right side
    145,397.60x = 20,856,820,447.68
  5. Step 5: Solve for x
    x = 20,856,820,447.68/145,397.60
  6. Step 6: Final answer
    x = 143,446.80

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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.