Home / 199,857.15-275,612.24-130,843.63

Finding the Fourth Proportional to 199,857.15, 275,612.24 and 130,843.63

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Solution

The fourth proportional to 199,857.15, 275,612.24 and 130,843.63 is: 180,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,857.15 : 275,612.24 = 130,843.63 : x
  2. Step 2: Convert to fraction form
    199,857.15/275,612.24 = 130,843.63/x
  3. Step 3: Cross multiply
    199,857.15x = 275,612.24 × 130,843.63
  4. Step 4: Simplify right side
    199,857.15x = 36,062,105,592.11
  5. Step 5: Solve for x
    x = 36,062,105,592.11/199,857.15
  6. Step 6: Final answer
    x = 180,439.41

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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.