Home / 159,016.18-219,350.95-99,296.50

Finding the Fourth Proportional to 159,016.18, 219,350.95 and 99,296.50

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Solution

The fourth proportional to 159,016.18, 219,350.95 and 99,296.50 is: 136,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,016.18 : 219,350.95 = 99,296.50 : x
  2. Step 2: Convert to fraction form
    159,016.18/219,350.95 = 99,296.50/x
  3. Step 3: Cross multiply
    159,016.18x = 219,350.95 × 99,296.50
  4. Step 4: Simplify right side
    159,016.18x = 21,780,781,606.68
  5. Step 5: Solve for x
    x = 21,780,781,606.68/159,016.18
  6. Step 6: Final answer
    x = 136,972.11

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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.