Home / 187,850.80-282,026.40-109,021.60

Finding the Fourth Proportional to 187,850.80, 282,026.40 and 109,021.60

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Solution

The fourth proportional to 187,850.80, 282,026.40 and 109,021.60 is: 163,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,850.80 : 282,026.40 = 109,021.60 : x
  2. Step 2: Convert to fraction form
    187,850.80/282,026.40 = 109,021.60/x
  3. Step 3: Cross multiply
    187,850.80x = 282,026.40 × 109,021.60
  4. Step 4: Simplify right side
    187,850.80x = 30,746,969,370.24
  5. Step 5: Solve for x
    x = 30,746,969,370.24/187,850.80
  6. Step 6: Final answer
    x = 163,677.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.