Home / 187,045.28-258,118.88-102,163.04

Finding the Fourth Proportional to 187,045.28, 258,118.88 and 102,163.04

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Solution

The fourth proportional to 187,045.28, 258,118.88 and 102,163.04 is: 140,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,045.28 : 258,118.88 = 102,163.04 : x
  2. Step 2: Convert to fraction form
    187,045.28/258,118.88 = 102,163.04/x
  3. Step 3: Cross multiply
    187,045.28x = 258,118.88 × 102,163.04
  4. Step 4: Simplify right side
    187,045.28x = 26,370,209,462.20
  5. Step 5: Solve for x
    x = 26,370,209,462.20/187,045.28
  6. Step 6: Final answer
    x = 140,983.03

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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.