Home / 131,636.57-197,275.91-55,671.95

Finding the Fourth Proportional to 131,636.57, 197,275.91 and 55,671.95

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Solution

The fourth proportional to 131,636.57, 197,275.91 and 55,671.95 is: 83,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,636.57 : 197,275.91 = 55,671.95 : x
  2. Step 2: Convert to fraction form
    131,636.57/197,275.91 = 55,671.95/x
  3. Step 3: Cross multiply
    131,636.57x = 197,275.91 × 55,671.95
  4. Step 4: Simplify right side
    131,636.57x = 10,982,734,812.55
  5. Step 5: Solve for x
    x = 10,982,734,812.55/131,636.57
  6. Step 6: Final answer
    x = 83,432.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.