Home / 126,497.28-174,559.38-69,905

Finding the Fourth Proportional to 126,497.28, 174,559.38 and 69,905

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Solution

The fourth proportional to 126,497.28, 174,559.38 and 69,905 is: 96,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,497.28 : 174,559.38 = 69,905 : x
  2. Step 2: Convert to fraction form
    126,497.28/174,559.38 = 69,905/x
  3. Step 3: Cross multiply
    126,497.28x = 174,559.38 × 69,905
  4. Step 4: Simplify right side
    126,497.28x = 12,202,573,458.90
  5. Step 5: Solve for x
    x = 12,202,573,458.90/126,497.28
  6. Step 6: Final answer
    x = 96,465.11

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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.