Home / 240,132.16-331,382.40-134,148.16

Finding the Fourth Proportional to 240,132.16, 331,382.40 and 134,148.16

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Solution

The fourth proportional to 240,132.16, 331,382.40 and 134,148.16 is: 185,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,132.16 : 331,382.40 = 134,148.16 : x
  2. Step 2: Convert to fraction form
    240,132.16/331,382.40 = 134,148.16/x
  3. Step 3: Cross multiply
    240,132.16x = 331,382.40 × 134,148.16
  4. Step 4: Simplify right side
    240,132.16x = 44,454,339,216.38
  5. Step 5: Solve for x
    x = 44,454,339,216.38/240,132.16
  6. Step 6: Final answer
    x = 185,124.47

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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.