Home / 275,729.10-413,593.65-76,080.30

Finding the Fourth Proportional to 275,729.10, 413,593.65 and 76,080.30

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Solution

The fourth proportional to 275,729.10, 413,593.65 and 76,080.30 is: 114,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,729.10 : 413,593.65 = 76,080.30 : x
  2. Step 2: Convert to fraction form
    275,729.10/413,593.65 = 76,080.30/x
  3. Step 3: Cross multiply
    275,729.10x = 413,593.65 × 76,080.30
  4. Step 4: Simplify right side
    275,729.10x = 31,466,328,970.10
  5. Step 5: Solve for x
    x = 31,466,328,970.10/275,729.10
  6. Step 6: Final answer
    x = 114,120.45

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1.5x scale

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.