Home / 159,318.30-238,977.45-137,156.70

Finding the Fourth Proportional to 159,318.30, 238,977.45 and 137,156.70

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Solution

The fourth proportional to 159,318.30, 238,977.45 and 137,156.70 is: 205,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,318.30 : 238,977.45 = 137,156.70 : x
  2. Step 2: Convert to fraction form
    159,318.30/238,977.45 = 137,156.70/x
  3. Step 3: Cross multiply
    159,318.30x = 238,977.45 × 137,156.70
  4. Step 4: Simplify right side
    159,318.30x = 32,777,358,416.42
  5. Step 5: Solve for x
    x = 32,777,358,416.42/159,318.30
  6. Step 6: Final answer
    x = 205,735.05

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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.