Home / 236,743.56-326,715.72-136,141.56

Finding the Fourth Proportional to 236,743.56, 326,715.72 and 136,141.56

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Solution

The fourth proportional to 236,743.56, 326,715.72 and 136,141.56 is: 187,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,743.56 : 326,715.72 = 136,141.56 : x
  2. Step 2: Convert to fraction form
    236,743.56/326,715.72 = 136,141.56/x
  3. Step 3: Cross multiply
    236,743.56x = 326,715.72 × 136,141.56
  4. Step 4: Simplify right side
    236,743.56x = 44,479,587,797.32
  5. Step 5: Solve for x
    x = 44,479,587,797.32/236,743.56
  6. Step 6: Final answer
    x = 187,880.88

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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.