Home / 243,315.32-335,771.82-135,887.24

Finding the Fourth Proportional to 243,315.32, 335,771.82 and 135,887.24

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Solution

The fourth proportional to 243,315.32, 335,771.82 and 135,887.24 is: 187,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,315.32 : 335,771.82 = 135,887.24 : x
  2. Step 2: Convert to fraction form
    243,315.32/335,771.82 = 135,887.24/x
  3. Step 3: Cross multiply
    243,315.32x = 335,771.82 × 135,887.24
  4. Step 4: Simplify right side
    243,315.32x = 45,627,105,889.58
  5. Step 5: Solve for x
    x = 45,627,105,889.58/243,315.32
  6. Step 6: Final answer
    x = 187,522.54

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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.