Home / 242,921.26-335,231.92-135,498.25

Finding the Fourth Proportional to 242,921.26, 335,231.92 and 135,498.25

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Solution

The fourth proportional to 242,921.26, 335,231.92 and 135,498.25 is: 186,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,921.26 : 335,231.92 = 135,498.25 : x
  2. Step 2: Convert to fraction form
    242,921.26/335,231.92 = 135,498.25/x
  3. Step 3: Cross multiply
    242,921.26x = 335,231.92 × 135,498.25
  4. Step 4: Simplify right side
    242,921.26x = 45,423,336,827.98
  5. Step 5: Solve for x
    x = 45,423,336,827.98/242,921.26
  6. Step 6: Final answer
    x = 186,987.91

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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.