Home / 135,140.66-202,625.13-118,534.04

Finding the Fourth Proportional to 135,140.66, 202,625.13 and 118,534.04

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Solution

The fourth proportional to 135,140.66, 202,625.13 and 118,534.04 is: 177,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,140.66 : 202,625.13 = 118,534.04 : x
  2. Step 2: Convert to fraction form
    135,140.66/202,625.13 = 118,534.04/x
  3. Step 3: Cross multiply
    135,140.66x = 202,625.13 × 118,534.04
  4. Step 4: Simplify right side
    135,140.66x = 24,017,975,264.43
  5. Step 5: Solve for x
    x = 24,017,975,264.43/135,140.66
  6. Step 6: Final answer
    x = 177,725.75

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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.