Home / 202,162.95-279,074.57-130,577.90

Finding the Fourth Proportional to 202,162.95, 279,074.57 and 130,577.90

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Solution

The fourth proportional to 202,162.95, 279,074.57 and 130,577.90 is: 180,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,162.95 : 279,074.57 = 130,577.90 : x
  2. Step 2: Convert to fraction form
    202,162.95/279,074.57 = 130,577.90/x
  3. Step 3: Cross multiply
    202,162.95x = 279,074.57 × 130,577.90
  4. Step 4: Simplify right side
    202,162.95x = 36,440,969,245.74
  5. Step 5: Solve for x
    x = 36,440,969,245.74/202,162.95
  6. Step 6: Final answer
    x = 180,255.43

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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.