Home / 187,809.28-259,178.80-102,924.48

Finding the Fourth Proportional to 187,809.28, 259,178.80 and 102,924.48

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Solution

The fourth proportional to 187,809.28, 259,178.80 and 102,924.48 is: 142,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,809.28 : 259,178.80 = 102,924.48 : x
  2. Step 2: Convert to fraction form
    187,809.28/259,178.80 = 102,924.48/x
  3. Step 3: Cross multiply
    187,809.28x = 259,178.80 × 102,924.48
  4. Step 4: Simplify right side
    187,809.28x = 26,675,843,217.02
  5. Step 5: Solve for x
    x = 26,675,843,217.02/187,809.28
  6. Step 6: Final answer
    x = 142,036.87

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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.