Home / 187,724.68-259,061-102,841.80

Finding the Fourth Proportional to 187,724.68, 259,061 and 102,841.80

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Solution

The fourth proportional to 187,724.68, 259,061 and 102,841.80 is: 141,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,724.68 : 259,061 = 102,841.80 : x
  2. Step 2: Convert to fraction form
    187,724.68/259,061 = 102,841.80/x
  3. Step 3: Cross multiply
    187,724.68x = 259,061 × 102,841.80
  4. Step 4: Simplify right side
    187,724.68x = 26,642,299,549.80
  5. Step 5: Solve for x
    x = 26,642,299,549.80/187,724.68
  6. Step 6: Final answer
    x = 141,922.20

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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.