Home / 130,792.78-196,275.30-71,669.95

Finding the Fourth Proportional to 130,792.78, 196,275.30 and 71,669.95

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Solution

The fourth proportional to 130,792.78, 196,275.30 and 71,669.95 is: 107,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,792.78 : 196,275.30 = 71,669.95 : x
  2. Step 2: Convert to fraction form
    130,792.78/196,275.30 = 71,669.95/x
  3. Step 3: Cross multiply
    130,792.78x = 196,275.30 × 71,669.95
  4. Step 4: Simplify right side
    130,792.78x = 14,067,040,937.24
  5. Step 5: Solve for x
    x = 14,067,040,937.24/130,792.78
  6. Step 6: Final answer
    x = 107,552.12

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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.