Home / 131,257.08-197,082.45-75,160.62

Finding the Fourth Proportional to 131,257.08, 197,082.45 and 75,160.62

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Solution

The fourth proportional to 131,257.08, 197,082.45 and 75,160.62 is: 112,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,257.08 : 197,082.45 = 75,160.62 : x
  2. Step 2: Convert to fraction form
    131,257.08/197,082.45 = 75,160.62/x
  3. Step 3: Cross multiply
    131,257.08x = 197,082.45 × 75,160.62
  4. Step 4: Simplify right side
    131,257.08x = 14,812,839,133.12
  5. Step 5: Solve for x
    x = 14,812,839,133.12/131,257.08
  6. Step 6: Final answer
    x = 112,853.64

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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.