Home / 159,373.24-219,916.78-91,371.50

Finding the Fourth Proportional to 159,373.24, 219,916.78 and 91,371.50

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Solution

The fourth proportional to 159,373.24, 219,916.78 and 91,371.50 is: 126,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,373.24 : 219,916.78 = 91,371.50 : x
  2. Step 2: Convert to fraction form
    159,373.24/219,916.78 = 91,371.50/x
  3. Step 3: Cross multiply
    159,373.24x = 219,916.78 × 91,371.50
  4. Step 4: Simplify right side
    159,373.24x = 20,094,126,063.77
  5. Step 5: Solve for x
    x = 20,094,126,063.77/159,373.24
  6. Step 6: Final answer
    x = 126,082.18

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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.