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Finding the Fourth Proportional to 147,056.88, 220,585.34 and 36,248.88

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Solution

The fourth proportional to 147,056.88, 220,585.34 and 36,248.88 is: 54,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,056.88 : 220,585.34 = 36,248.88 : x
  2. Step 2: Convert to fraction form
    147,056.88/220,585.34 = 36,248.88/x
  3. Step 3: Cross multiply
    147,056.88x = 220,585.34 × 36,248.88
  4. Step 4: Simplify right side
    147,056.88x = 7,995,971,519.42
  5. Step 5: Solve for x
    x = 7,995,971,519.42/147,056.88
  6. Step 6: Final answer
    x = 54,373.32

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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.