Home / 135,147.80-202,719.13-40,378.25

Finding the Fourth Proportional to 135,147.80, 202,719.13 and 40,378.25

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Solution

The fourth proportional to 135,147.80, 202,719.13 and 40,378.25 is: 60,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,147.80 : 202,719.13 = 40,378.25 : x
  2. Step 2: Convert to fraction form
    135,147.80/202,719.13 = 40,378.25/x
  3. Step 3: Cross multiply
    135,147.80x = 202,719.13 × 40,378.25
  4. Step 4: Simplify right side
    135,147.80x = 8,185,444,116.77
  5. Step 5: Solve for x
    x = 8,185,444,116.77/135,147.80
  6. Step 6: Final answer
    x = 60,566.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.