Home / 243,187.25-335,592.82-135,767.27

Finding the Fourth Proportional to 243,187.25, 335,592.82 and 135,767.27

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Solution

The fourth proportional to 243,187.25, 335,592.82 and 135,767.27 is: 187,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,187.25 : 335,592.82 = 135,767.27 : x
  2. Step 2: Convert to fraction form
    243,187.25/335,592.82 = 135,767.27/x
  3. Step 3: Cross multiply
    243,187.25x = 335,592.82 × 135,767.27
  4. Step 4: Simplify right side
    243,187.25x = 45,562,522,011.69
  5. Step 5: Solve for x
    x = 45,562,522,011.69/243,187.25
  6. Step 6: Final answer
    x = 187,355.72

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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.