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Finding the Fourth Proportional to 133,073.40, 199,610.10 and 39,579.15

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Solution

The fourth proportional to 133,073.40, 199,610.10 and 39,579.15 is: 59,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.40 : 199,610.10 = 39,579.15 : x
  2. Step 2: Convert to fraction form
    133,073.40/199,610.10 = 39,579.15/x
  3. Step 3: Cross multiply
    133,073.40x = 199,610.10 × 39,579.15
  4. Step 4: Simplify right side
    133,073.40x = 7,900,398,089.42
  5. Step 5: Solve for x
    x = 7,900,398,089.42/133,073.40
  6. Step 6: Final answer
    x = 59,368.73

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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.