Home / 126,364.31-174,378.17-69,774.47

Finding the Fourth Proportional to 126,364.31, 174,378.17 and 69,774.47

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Solution

The fourth proportional to 126,364.31, 174,378.17 and 69,774.47 is: 96,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,364.31 : 174,378.17 = 69,774.47 : x
  2. Step 2: Convert to fraction form
    126,364.31/174,378.17 = 69,774.47/x
  3. Step 3: Cross multiply
    126,364.31x = 174,378.17 × 69,774.47
  4. Step 4: Simplify right side
    126,364.31x = 12,167,144,391.32
  5. Step 5: Solve for x
    x = 12,167,144,391.32/126,364.31
  6. Step 6: Final answer
    x = 96,286.24

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1.5x scale

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.