Home / 187,126.74-258,229.17-102,243.69

Finding the Fourth Proportional to 187,126.74, 258,229.17 and 102,243.69

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Solution

The fourth proportional to 187,126.74, 258,229.17 and 102,243.69 is: 141,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,126.74 : 258,229.17 = 102,243.69 : x
  2. Step 2: Convert to fraction form
    187,126.74/258,229.17 = 102,243.69/x
  3. Step 3: Cross multiply
    187,126.74x = 258,229.17 × 102,243.69
  4. Step 4: Simplify right side
    187,126.74x = 26,402,303,206.44
  5. Step 5: Solve for x
    x = 26,402,303,206.44/187,126.74
  6. Step 6: Final answer
    x = 141,093.16

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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.