Home / 187,408.38-280,662.06-107,203.26

Finding the Fourth Proportional to 187,408.38, 280,662.06 and 107,203.26

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Solution

The fourth proportional to 187,408.38, 280,662.06 and 107,203.26 is: 160,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,408.38 : 280,662.06 = 107,203.26 : x
  2. Step 2: Convert to fraction form
    187,408.38/280,662.06 = 107,203.26/x
  3. Step 3: Cross multiply
    187,408.38x = 280,662.06 × 107,203.26
  4. Step 4: Simplify right side
    187,408.38x = 30,087,887,790.32
  5. Step 5: Solve for x
    x = 30,087,887,790.32/187,408.38
  6. Step 6: Final answer
    x = 160,547.18

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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.