Home / 126,621.30-174,717.93-72,895.95

Finding the Fourth Proportional to 126,621.30, 174,717.93 and 72,895.95

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Solution

The fourth proportional to 126,621.30, 174,717.93 and 72,895.95 is: 100,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,621.30 : 174,717.93 = 72,895.95 : x
  2. Step 2: Convert to fraction form
    126,621.30/174,717.93 = 72,895.95/x
  3. Step 3: Cross multiply
    126,621.30x = 174,717.93 × 72,895.95
  4. Step 4: Simplify right side
    126,621.30x = 12,736,229,489.38
  5. Step 5: Solve for x
    x = 12,736,229,489.38/126,621.30
  6. Step 6: Final answer
    x = 100,585.21

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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.