Home / 159,146.17-219,615.60-87,521.92

Finding the Fourth Proportional to 159,146.17, 219,615.60 and 87,521.92

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Solution

The fourth proportional to 159,146.17, 219,615.60 and 87,521.92 is: 120,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,146.17 : 219,615.60 = 87,521.92 : x
  2. Step 2: Convert to fraction form
    159,146.17/219,615.60 = 87,521.92/x
  3. Step 3: Cross multiply
    159,146.17x = 219,615.60 × 87,521.92
  4. Step 4: Simplify right side
    159,146.17x = 19,221,178,753.12
  5. Step 5: Solve for x
    x = 19,221,178,753.12/159,146.17
  6. Step 6: Final answer
    x = 120,776.89

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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.