Home / 261,853.02-361,387.98-147,131.91

Finding the Fourth Proportional to 261,853.02, 361,387.98 and 147,131.91

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Solution

The fourth proportional to 261,853.02, 361,387.98 and 147,131.91 is: 203,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,853.02 : 361,387.98 = 147,131.91 : x
  2. Step 2: Convert to fraction form
    261,853.02/361,387.98 = 147,131.91/x
  3. Step 3: Cross multiply
    261,853.02x = 361,387.98 × 147,131.91
  4. Step 4: Simplify right side
    261,853.02x = 53,171,703,748.44
  5. Step 5: Solve for x
    x = 53,171,703,748.44/261,853.02
  6. Step 6: Final answer
    x = 203,059.35

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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.