Home / 187,065.30-258,145.92-102,182.70

Finding the Fourth Proportional to 187,065.30, 258,145.92 and 102,182.70

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Solution

The fourth proportional to 187,065.30, 258,145.92 and 102,182.70 is: 141,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,065.30 : 258,145.92 = 102,182.70 : x
  2. Step 2: Convert to fraction form
    187,065.30/258,145.92 = 102,182.70/x
  3. Step 3: Cross multiply
    187,065.30x = 258,145.92 × 102,182.70
  4. Step 4: Simplify right side
    187,065.30x = 26,378,047,099.58
  5. Step 5: Solve for x
    x = 26,378,047,099.58/187,065.30
  6. Step 6: Final answer
    x = 141,009.84

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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.