Home / 187,204.79-258,342.17-102,322.46

Finding the Fourth Proportional to 187,204.79, 258,342.17 and 102,322.46

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Solution

The fourth proportional to 187,204.79, 258,342.17 and 102,322.46 is: 141,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,204.79 : 258,342.17 = 102,322.46 : x
  2. Step 2: Convert to fraction form
    187,204.79/258,342.17 = 102,322.46/x
  3. Step 3: Cross multiply
    187,204.79x = 258,342.17 × 102,322.46
  4. Step 4: Simplify right side
    187,204.79x = 26,434,206,490.38
  5. Step 5: Solve for x
    x = 26,434,206,490.38/187,204.79
  6. Step 6: Final answer
    x = 141,204.75

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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.