Home / 261,890.71-361,382.21-147,151.10

Finding the Fourth Proportional to 261,890.71, 361,382.21 and 147,151.10

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Solution

The fourth proportional to 261,890.71, 361,382.21 and 147,151.10 is: 203,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,890.71 : 361,382.21 = 147,151.10 : x
  2. Step 2: Convert to fraction form
    261,890.71/361,382.21 = 147,151.10/x
  3. Step 3: Cross multiply
    261,890.71x = 361,382.21 × 147,151.10
  4. Step 4: Simplify right side
    261,890.71x = 53,177,790,441.45
  5. Step 5: Solve for x
    x = 53,177,790,441.45/261,890.71
  6. Step 6: Final answer
    x = 203,053.37

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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.