Home / 126,948.78-175,191.45-69,586.95

Finding the Fourth Proportional to 126,948.78, 175,191.45 and 69,586.95

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Solution

The fourth proportional to 126,948.78, 175,191.45 and 69,586.95 is: 96,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,948.78 : 175,191.45 = 69,586.95 : x
  2. Step 2: Convert to fraction form
    126,948.78/175,191.45 = 69,586.95/x
  3. Step 3: Cross multiply
    126,948.78x = 175,191.45 × 69,586.95
  4. Step 4: Simplify right side
    126,948.78x = 12,191,038,671.58
  5. Step 5: Solve for x
    x = 12,191,038,671.58/126,948.78
  6. Step 6: Final answer
    x = 96,031.16

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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.