Home / 107,034.38-159,900.60-69,286.94

Finding the Fourth Proportional to 107,034.38, 159,900.60 and 69,286.94

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Solution

The fourth proportional to 107,034.38, 159,900.60 and 69,286.94 is: 103,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,034.38 : 159,900.60 = 69,286.94 : x
  2. Step 2: Convert to fraction form
    107,034.38/159,900.60 = 69,286.94/x
  3. Step 3: Cross multiply
    107,034.38x = 159,900.60 × 69,286.94
  4. Step 4: Simplify right side
    107,034.38x = 11,079,023,278.16
  5. Step 5: Solve for x
    x = 11,079,023,278.16/107,034.38
  6. Step 6: Final answer
    x = 103,509.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.