Home / 240,152.53-331,388.71-138,150.85

Finding the Fourth Proportional to 240,152.53, 331,388.71 and 138,150.85

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Solution

The fourth proportional to 240,152.53, 331,388.71 and 138,150.85 is: 190,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,152.53 : 331,388.71 = 138,150.85 : x
  2. Step 2: Convert to fraction form
    240,152.53/331,388.71 = 138,150.85/x
  3. Step 3: Cross multiply
    240,152.53x = 331,388.71 × 138,150.85
  4. Step 4: Simplify right side
    240,152.53x = 45,781,631,966.90
  5. Step 5: Solve for x
    x = 45,781,631,966.90/240,152.53
  6. Step 6: Final answer
    x = 190,635.64

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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.