Home / 159,147.17-219,616.98-87,522.92

Finding the Fourth Proportional to 159,147.17, 219,616.98 and 87,522.92

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Solution

The fourth proportional to 159,147.17, 219,616.98 and 87,522.92 is: 120,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,147.17 : 219,616.98 = 87,522.92 : x
  2. Step 2: Convert to fraction form
    159,147.17/219,616.98 = 87,522.92/x
  3. Step 3: Cross multiply
    159,147.17x = 219,616.98 × 87,522.92
  4. Step 4: Simplify right side
    159,147.17x = 19,221,519,371.18
  5. Step 5: Solve for x
    x = 19,221,519,371.18/159,147.17
  6. Step 6: Final answer
    x = 120,778.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.