Home / 130,948.16-196,034.72-80,867.25

Finding the Fourth Proportional to 130,948.16, 196,034.72 and 80,867.25

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Solution

The fourth proportional to 130,948.16, 196,034.72 and 80,867.25 is: 121,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,948.16 : 196,034.72 = 80,867.25 : x
  2. Step 2: Convert to fraction form
    130,948.16/196,034.72 = 80,867.25/x
  3. Step 3: Cross multiply
    130,948.16x = 196,034.72 × 80,867.25
  4. Step 4: Simplify right side
    130,948.16x = 15,852,788,306.58
  5. Step 5: Solve for x
    x = 15,852,788,306.58/130,948.16
  6. Step 6: Final answer
    x = 121,061.56

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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.