Home / 107,515.65-148,375.40-59,121.25

Finding the Fourth Proportional to 107,515.65, 148,375.40 and 59,121.25

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Solution

The fourth proportional to 107,515.65, 148,375.40 and 59,121.25 is: 81,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.65 : 148,375.40 = 59,121.25 : x
  2. Step 2: Convert to fraction form
    107,515.65/148,375.40 = 59,121.25/x
  3. Step 3: Cross multiply
    107,515.65x = 148,375.40 × 59,121.25
  4. Step 4: Simplify right side
    107,515.65x = 8,772,139,117.25
  5. Step 5: Solve for x
    x = 8,772,139,117.25/107,515.65
  6. Step 6: Final answer
    x = 81,589.42

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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.