Home / 187,230.03-258,377.09-102,347.10

Finding the Fourth Proportional to 187,230.03, 258,377.09 and 102,347.10

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Solution

The fourth proportional to 187,230.03, 258,377.09 and 102,347.10 is: 141,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,230.03 : 258,377.09 = 102,347.10 : x
  2. Step 2: Convert to fraction form
    187,230.03/258,377.09 = 102,347.10/x
  3. Step 3: Cross multiply
    187,230.03x = 258,377.09 × 102,347.10
  4. Step 4: Simplify right side
    187,230.03x = 26,444,145,867.94
  5. Step 5: Solve for x
    x = 26,444,145,867.94/187,230.03
  6. Step 6: Final answer
    x = 141,238.81

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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.