Home / 187,123.84-258,234.78-102,246.52

Finding the Fourth Proportional to 187,123.84, 258,234.78 and 102,246.52

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Solution

The fourth proportional to 187,123.84, 258,234.78 and 102,246.52 is: 141,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,123.84 : 258,234.78 = 102,246.52 : x
  2. Step 2: Convert to fraction form
    187,123.84/258,234.78 = 102,246.52/x
  3. Step 3: Cross multiply
    187,123.84x = 258,234.78 × 102,246.52
  4. Step 4: Simplify right side
    187,123.84x = 26,403,607,597.97
  5. Step 5: Solve for x
    x = 26,403,607,597.97/187,123.84
  6. Step 6: Final answer
    x = 141,102.32

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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.