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Finding the Fourth Proportional to 159,676.52, 239,301.99 and 75,459.05

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Solution

The fourth proportional to 159,676.52, 239,301.99 and 75,459.05 is: 113,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,676.52 : 239,301.99 = 75,459.05 : x
  2. Step 2: Convert to fraction form
    159,676.52/239,301.99 = 75,459.05/x
  3. Step 3: Cross multiply
    159,676.52x = 239,301.99 × 75,459.05
  4. Step 4: Simplify right side
    159,676.52x = 18,057,499,254.70
  5. Step 5: Solve for x
    x = 18,057,499,254.70/159,676.52
  6. Step 6: Final answer
    x = 113,088.01

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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.