Home / 154,086.27-230,810.99-90,711.12

Finding the Fourth Proportional to 154,086.27, 230,810.99 and 90,711.12

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Solution

The fourth proportional to 154,086.27, 230,810.99 and 90,711.12 is: 135,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,086.27 : 230,810.99 = 90,711.12 : x
  2. Step 2: Convert to fraction form
    154,086.27/230,810.99 = 90,711.12/x
  3. Step 3: Cross multiply
    154,086.27x = 230,810.99 × 90,711.12
  4. Step 4: Simplify right side
    154,086.27x = 20,937,123,823.19
  5. Step 5: Solve for x
    x = 20,937,123,823.19/154,086.27
  6. Step 6: Final answer
    x = 135,879.23

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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.