Home / 191,299.28-264,002.76-106,418

Finding the Fourth Proportional to 191,299.28, 264,002.76 and 106,418

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Solution

The fourth proportional to 191,299.28, 264,002.76 and 106,418 is: 146,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,299.28 : 264,002.76 = 106,418 : x
  2. Step 2: Convert to fraction form
    191,299.28/264,002.76 = 106,418/x
  3. Step 3: Cross multiply
    191,299.28x = 264,002.76 × 106,418
  4. Step 4: Simplify right side
    191,299.28x = 28,094,645,713.68
  5. Step 5: Solve for x
    x = 28,094,645,713.68/191,299.28
  6. Step 6: Final answer
    x = 146,862.27

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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.