Home / 127,928.52-176,542.74-71,340.84

Finding the Fourth Proportional to 127,928.52, 176,542.74 and 71,340.84

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Solution

The fourth proportional to 127,928.52, 176,542.74 and 71,340.84 is: 98,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,928.52 : 176,542.74 = 71,340.84 : x
  2. Step 2: Convert to fraction form
    127,928.52/176,542.74 = 71,340.84/x
  3. Step 3: Cross multiply
    127,928.52x = 176,542.74 × 71,340.84
  4. Step 4: Simplify right side
    127,928.52x = 12,594,707,367.50
  5. Step 5: Solve for x
    x = 12,594,707,367.50/127,928.52
  6. Step 6: Final answer
    x = 98,451.13

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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.