Home / 261,130.75-360,375.02-147,989.95

Finding the Fourth Proportional to 261,130.75, 360,375.02 and 147,989.95

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Solution

The fourth proportional to 261,130.75, 360,375.02 and 147,989.95 is: 204,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,130.75 : 360,375.02 = 147,989.95 : x
  2. Step 2: Convert to fraction form
    261,130.75/360,375.02 = 147,989.95/x
  3. Step 3: Cross multiply
    261,130.75x = 360,375.02 × 147,989.95
  4. Step 4: Simplify right side
    261,130.75x = 53,331,881,191.05
  5. Step 5: Solve for x
    x = 53,331,881,191.05/261,130.75
  6. Step 6: Final answer
    x = 204,234.40

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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.