Home / 187,647.28-258,953.64-101,607.20

Finding the Fourth Proportional to 187,647.28, 258,953.64 and 101,607.20

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Solution

The fourth proportional to 187,647.28, 258,953.64 and 101,607.20 is: 140,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,647.28 : 258,953.64 = 101,607.20 : x
  2. Step 2: Convert to fraction form
    187,647.28/258,953.64 = 101,607.20/x
  3. Step 3: Cross multiply
    187,647.28x = 258,953.64 × 101,607.20
  4. Step 4: Simplify right side
    187,647.28x = 26,311,554,290.21
  5. Step 5: Solve for x
    x = 26,311,554,290.21/187,647.28
  6. Step 6: Final answer
    x = 140,218.15

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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.