Home / 187,443.32-258,675.50-102,562.20

Finding the Fourth Proportional to 187,443.32, 258,675.50 and 102,562.20

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Solution

The fourth proportional to 187,443.32, 258,675.50 and 102,562.20 is: 141,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,443.32 : 258,675.50 = 102,562.20 : x
  2. Step 2: Convert to fraction form
    187,443.32/258,675.50 = 102,562.20/x
  3. Step 3: Cross multiply
    187,443.32x = 258,675.50 × 102,562.20
  4. Step 4: Simplify right side
    187,443.32x = 26,530,328,366.10
  5. Step 5: Solve for x
    x = 26,530,328,366.10/187,443.32
  6. Step 6: Final answer
    x = 141,537.87

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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.