Home / 154,829.52-213,672.33-91,187.82

Finding the Fourth Proportional to 154,829.52, 213,672.33 and 91,187.82

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Solution

The fourth proportional to 154,829.52, 213,672.33 and 91,187.82 is: 125,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,829.52 : 213,672.33 = 91,187.82 : x
  2. Step 2: Convert to fraction form
    154,829.52/213,672.33 = 91,187.82/x
  3. Step 3: Cross multiply
    154,829.52x = 213,672.33 × 91,187.82
  4. Step 4: Simplify right side
    154,829.52x = 19,484,313,967.02
  5. Step 5: Solve for x
    x = 19,484,313,967.02/154,829.52
  6. Step 6: Final answer
    x = 125,843.66

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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.