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Finding the Fourth Proportional to 202,853.57, 279,843.66 and 131,256.72

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Solution

The fourth proportional to 202,853.57, 279,843.66 and 131,256.72 is: 181,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,853.57 : 279,843.66 = 131,256.72 : x
  2. Step 2: Convert to fraction form
    202,853.57/279,843.66 = 131,256.72/x
  3. Step 3: Cross multiply
    202,853.57x = 279,843.66 × 131,256.72
  4. Step 4: Simplify right side
    202,853.57x = 36,731,360,924.40
  5. Step 5: Solve for x
    x = 36,731,360,924.40/202,853.57
  6. Step 6: Final answer
    x = 181,073.28

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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.