Home / 187,291.97-280,219.10-107,368.26

Finding the Fourth Proportional to 187,291.97, 280,219.10 and 107,368.26

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Solution

The fourth proportional to 187,291.97, 280,219.10 and 107,368.26 is: 160,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,291.97 : 280,219.10 = 107,368.26 : x
  2. Step 2: Convert to fraction form
    187,291.97/280,219.10 = 107,368.26/x
  3. Step 3: Cross multiply
    187,291.97x = 280,219.10 × 107,368.26
  4. Step 4: Simplify right side
    187,291.97x = 30,086,636,648.92
  5. Step 5: Solve for x
    x = 30,086,636,648.92/187,291.97
  6. Step 6: Final answer
    x = 160,640.30

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1.5x scale

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.