Home / 187,029.43-258,100.27-102,146.47

Finding the Fourth Proportional to 187,029.43, 258,100.27 and 102,146.47

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Solution

The fourth proportional to 187,029.43, 258,100.27 and 102,146.47 is: 140,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029.43 : 258,100.27 = 102,146.47 : x
  2. Step 2: Convert to fraction form
    187,029.43/258,100.27 = 102,146.47/x
  3. Step 3: Cross multiply
    187,029.43x = 258,100.27 × 102,146.47
  4. Step 4: Simplify right side
    187,029.43x = 26,364,031,486.55
  5. Step 5: Solve for x
    x = 26,364,031,486.55/187,029.43
  6. Step 6: Final answer
    x = 140,961.94

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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.