Home / 132,627.78-198,952.47-79,680.51

Finding the Fourth Proportional to 132,627.78, 198,952.47 and 79,680.51

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Solution

The fourth proportional to 132,627.78, 198,952.47 and 79,680.51 is: 119,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,627.78 : 198,952.47 = 79,680.51 : x
  2. Step 2: Convert to fraction form
    132,627.78/198,952.47 = 79,680.51/x
  3. Step 3: Cross multiply
    132,627.78x = 198,952.47 × 79,680.51
  4. Step 4: Simplify right side
    132,627.78x = 15,852,634,275.36
  5. Step 5: Solve for x
    x = 15,852,634,275.36/132,627.78
  6. Step 6: Final answer
    x = 119,527.25

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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.