Home / 122,947.14-169,675.11-92,679.06

Finding the Fourth Proportional to 122,947.14, 169,675.11 and 92,679.06

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Solution

The fourth proportional to 122,947.14, 169,675.11 and 92,679.06 is: 127,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,947.14 : 169,675.11 = 92,679.06 : x
  2. Step 2: Convert to fraction form
    122,947.14/169,675.11 = 92,679.06/x
  3. Step 3: Cross multiply
    122,947.14x = 169,675.11 × 92,679.06
  4. Step 4: Simplify right side
    122,947.14x = 15,725,329,700.20
  5. Step 5: Solve for x
    x = 15,725,329,700.20/122,947.14
  6. Step 6: Final answer
    x = 127,903.18

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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.