Home / 235,733.86-325,312.70-128,304.66

Finding the Fourth Proportional to 235,733.86, 325,312.70 and 128,304.66

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Solution

The fourth proportional to 235,733.86, 325,312.70 and 128,304.66 is: 177,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,733.86 : 325,312.70 = 128,304.66 : x
  2. Step 2: Convert to fraction form
    235,733.86/325,312.70 = 128,304.66/x
  3. Step 3: Cross multiply
    235,733.86x = 325,312.70 × 128,304.66
  4. Step 4: Simplify right side
    235,733.86x = 41,739,135,367.18
  5. Step 5: Solve for x
    x = 41,739,135,367.18/235,733.86
  6. Step 6: Final answer
    x = 177,060.42

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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.