Home / 240,026.04-331,255.74-138,084.60

Finding the Fourth Proportional to 240,026.04, 331,255.74 and 138,084.60

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Solution

The fourth proportional to 240,026.04, 331,255.74 and 138,084.60 is: 190,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,026.04 : 331,255.74 = 138,084.60 : x
  2. Step 2: Convert to fraction form
    240,026.04/331,255.74 = 138,084.60/x
  3. Step 3: Cross multiply
    240,026.04x = 331,255.74 × 138,084.60
  4. Step 4: Simplify right side
    240,026.04x = 45,741,316,355.60
  5. Step 5: Solve for x
    x = 45,741,316,355.60/240,026.04
  6. Step 6: Final answer
    x = 190,568.14

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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.