Home / 187,069.28-280,714.55-68,823.59

Finding the Fourth Proportional to 187,069.28, 280,714.55 and 68,823.59

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Solution

The fourth proportional to 187,069.28, 280,714.55 and 68,823.59 is: 103,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,069.28 : 280,714.55 = 68,823.59 : x
  2. Step 2: Convert to fraction form
    187,069.28/280,714.55 = 68,823.59/x
  3. Step 3: Cross multiply
    187,069.28x = 280,714.55 × 68,823.59
  4. Step 4: Simplify right side
    187,069.28x = 19,319,781,348.54
  5. Step 5: Solve for x
    x = 19,319,781,348.54/187,069.28
  6. Step 6: Final answer
    x = 103,276.08

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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.