Home / 107,687.33-148,568.65-107,521.26

Finding the Fourth Proportional to 107,687.33, 148,568.65 and 107,521.26

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Solution

The fourth proportional to 107,687.33, 148,568.65 and 107,521.26 is: 148,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.33 : 148,568.65 = 107,521.26 : x
  2. Step 2: Convert to fraction form
    107,687.33/148,568.65 = 107,521.26/x
  3. Step 3: Cross multiply
    107,687.33x = 148,568.65 × 107,521.26
  4. Step 4: Simplify right side
    107,687.33x = 15,974,288,444.50
  5. Step 5: Solve for x
    x = 15,974,288,444.50/107,687.33
  6. Step 6: Final answer
    x = 148,339.53

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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.