Home / 261,621.75-392,491.13-95,409.75

Finding the Fourth Proportional to 261,621.75, 392,491.13 and 95,409.75

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Solution

The fourth proportional to 261,621.75, 392,491.13 and 95,409.75 is: 143,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,621.75 : 392,491.13 = 95,409.75 : x
  2. Step 2: Convert to fraction form
    261,621.75/392,491.13 = 95,409.75/x
  3. Step 3: Cross multiply
    261,621.75x = 392,491.13 × 95,409.75
  4. Step 4: Simplify right side
    261,621.75x = 37,447,480,113.47
  5. Step 5: Solve for x
    x = 37,447,480,113.47/261,621.75
  6. Step 6: Final answer
    x = 143,135.96

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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.