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Finding the Fourth Proportional to 147,056.13, 220,584.21 and 36,248.13

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Solution

The fourth proportional to 147,056.13, 220,584.21 and 36,248.13 is: 54,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,056.13 : 220,584.21 = 36,248.13 : x
  2. Step 2: Convert to fraction form
    147,056.13/220,584.21 = 36,248.13/x
  3. Step 3: Cross multiply
    147,056.13x = 220,584.21 × 36,248.13
  4. Step 4: Simplify right side
    147,056.13x = 7,995,765,120.03
  5. Step 5: Solve for x
    x = 7,995,765,120.03/147,056.13
  6. Step 6: Final answer
    x = 54,372.20

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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.