Home / 187,189.32-258,321.48-102,306.48

Finding the Fourth Proportional to 187,189.32, 258,321.48 and 102,306.48

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Solution

The fourth proportional to 187,189.32, 258,321.48 and 102,306.48 is: 141,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,189.32 : 258,321.48 = 102,306.48 : x
  2. Step 2: Convert to fraction form
    187,189.32/258,321.48 = 102,306.48/x
  3. Step 3: Cross multiply
    187,189.32x = 258,321.48 × 102,306.48
  4. Step 4: Simplify right side
    187,189.32x = 26,427,961,327.19
  5. Step 5: Solve for x
    x = 26,427,961,327.19/187,189.32
  6. Step 6: Final answer
    x = 141,183.06

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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.