Home / 187,085.32-280,627.97-68,705.44

Finding the Fourth Proportional to 187,085.32, 280,627.97 and 68,705.44

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Solution

The fourth proportional to 187,085.32, 280,627.97 and 68,705.44 is: 103,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,085.32 : 280,627.97 = 68,705.44 : x
  2. Step 2: Convert to fraction form
    187,085.32/280,627.97 = 68,705.44/x
  3. Step 3: Cross multiply
    187,085.32x = 280,627.97 × 68,705.44
  4. Step 4: Simplify right side
    187,085.32x = 19,280,668,155.16
  5. Step 5: Solve for x
    x = 19,280,668,155.16/187,085.32
  6. Step 6: Final answer
    x = 103,058.16

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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.