Home / 243,927.42-336,608.77-135,035.79

Finding the Fourth Proportional to 243,927.42, 336,608.77 and 135,035.79

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Solution

The fourth proportional to 243,927.42, 336,608.77 and 135,035.79 is: 186,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,927.42 : 336,608.77 = 135,035.79 : x
  2. Step 2: Convert to fraction form
    243,927.42/336,608.77 = 135,035.79/x
  3. Step 3: Cross multiply
    243,927.42x = 336,608.77 × 135,035.79
  4. Step 4: Simplify right side
    243,927.42x = 45,454,231,177.88
  5. Step 5: Solve for x
    x = 45,454,231,177.88/243,927.42
  6. Step 6: Final answer
    x = 186,343.26

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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.