Home / 187,139.10-280,710.90-52,194.95

Finding the Fourth Proportional to 187,139.10, 280,710.90 and 52,194.95

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Solution

The fourth proportional to 187,139.10, 280,710.90 and 52,194.95 is: 78,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,139.10 : 280,710.90 = 52,194.95 : x
  2. Step 2: Convert to fraction form
    187,139.10/280,710.90 = 52,194.95/x
  3. Step 3: Cross multiply
    187,139.10x = 280,710.90 × 52,194.95
  4. Step 4: Simplify right side
    187,139.10x = 14,651,692,638.35
  5. Step 5: Solve for x
    x = 14,651,692,638.35/187,139.10
  6. Step 6: Final answer
    x = 78,293.06

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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.