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Finding the Fourth Proportional to 64,167.40, 96,186.30 and 29,132.20

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Solution

The fourth proportional to 64,167.40, 96,186.30 and 29,132.20 is: 43,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.40 : 96,186.30 = 29,132.20 : x
  2. Step 2: Convert to fraction form
    64,167.40/96,186.30 = 29,132.20/x
  3. Step 3: Cross multiply
    64,167.40x = 96,186.30 × 29,132.20
  4. Step 4: Simplify right side
    64,167.40x = 2,802,118,528.86
  5. Step 5: Solve for x
    x = 2,802,118,528.86/64,167.40
  6. Step 6: Final answer
    x = 43,668.88

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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.