Home / 187,394.28-280,640.94-107,189.16

Finding the Fourth Proportional to 187,394.28, 280,640.94 and 107,189.16

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Solution

The fourth proportional to 187,394.28, 280,640.94 and 107,189.16 is: 160,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,394.28 : 280,640.94 = 107,189.16 : x
  2. Step 2: Convert to fraction form
    187,394.28/280,640.94 = 107,189.16/x
  3. Step 3: Cross multiply
    187,394.28x = 280,640.94 × 107,189.16
  4. Step 4: Simplify right side
    187,394.28x = 30,081,666,620.21
  5. Step 5: Solve for x
    x = 30,081,666,620.21/187,394.28
  6. Step 6: Final answer
    x = 160,526.07

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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.