Home / 230,344.95-345,517.47-90,005.16

Finding the Fourth Proportional to 230,344.95, 345,517.47 and 90,005.16

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Solution

The fourth proportional to 230,344.95, 345,517.47 and 90,005.16 is: 135,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,344.95 : 345,517.47 = 90,005.16 : x
  2. Step 2: Convert to fraction form
    230,344.95/345,517.47 = 90,005.16/x
  3. Step 3: Cross multiply
    230,344.95x = 345,517.47 × 90,005.16
  4. Step 4: Simplify right side
    230,344.95x = 31,098,355,170.15
  5. Step 5: Solve for x
    x = 31,098,355,170.15/230,344.95
  6. Step 6: Final answer
    x = 135,007.76

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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.