Home / 122,935.38-169,599.33-75,173.46

Finding the Fourth Proportional to 122,935.38, 169,599.33 and 75,173.46

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Solution

The fourth proportional to 122,935.38, 169,599.33 and 75,173.46 is: 103,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,935.38 : 169,599.33 = 75,173.46 : x
  2. Step 2: Convert to fraction form
    122,935.38/169,599.33 = 75,173.46/x
  3. Step 3: Cross multiply
    122,935.38x = 169,599.33 × 75,173.46
  4. Step 4: Simplify right side
    122,935.38x = 12,749,368,449.78
  5. Step 5: Solve for x
    x = 12,749,368,449.78/122,935.38
  6. Step 6: Final answer
    x = 103,707.89

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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.