Home / 159,133.27-219,599.52-87,513.29

Finding the Fourth Proportional to 159,133.27, 219,599.52 and 87,513.29

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Solution

The fourth proportional to 159,133.27, 219,599.52 and 87,513.29 is: 120,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,133.27 : 219,599.52 = 87,513.29 : x
  2. Step 2: Convert to fraction form
    159,133.27/219,599.52 = 87,513.29/x
  3. Step 3: Cross multiply
    159,133.27x = 219,599.52 × 87,513.29
  4. Step 4: Simplify right side
    159,133.27x = 19,217,876,531.30
  5. Step 5: Solve for x
    x = 19,217,876,531.30/159,133.27
  6. Step 6: Final answer
    x = 120,765.93

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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.