Home / 187,215.20-258,360.72-102,335.84

Finding the Fourth Proportional to 187,215.20, 258,360.72 and 102,335.84

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Solution

The fourth proportional to 187,215.20, 258,360.72 and 102,335.84 is: 141,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,215.20 : 258,360.72 = 102,335.84 : x
  2. Step 2: Convert to fraction form
    187,215.20/258,360.72 = 102,335.84/x
  3. Step 3: Cross multiply
    187,215.20x = 258,360.72 × 102,335.84
  4. Step 4: Simplify right side
    187,215.20x = 26,439,561,304.20
  5. Step 5: Solve for x
    x = 26,439,561,304.20/187,215.20
  6. Step 6: Final answer
    x = 141,225.51

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1.5x scale

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.