Home / 240,139.04-331,382.92-138,180.27

Finding the Fourth Proportional to 240,139.04, 331,382.92 and 138,180.27

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Solution

The fourth proportional to 240,139.04, 331,382.92 and 138,180.27 is: 190,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,139.04 : 331,382.92 = 138,180.27 : x
  2. Step 2: Convert to fraction form
    240,139.04/331,382.92 = 138,180.27/x
  3. Step 3: Cross multiply
    240,139.04x = 331,382.92 × 138,180.27
  4. Step 4: Simplify right side
    240,139.04x = 45,790,579,011.17
  5. Step 5: Solve for x
    x = 45,790,579,011.17/240,139.04
  6. Step 6: Final answer
    x = 190,683.61

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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.