Home / 154,851.08-213,710.82-91,187.52

Finding the Fourth Proportional to 154,851.08, 213,710.82 and 91,187.52

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Solution

The fourth proportional to 154,851.08, 213,710.82 and 91,187.52 is: 125,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,851.08 : 213,710.82 = 91,187.52 : x
  2. Step 2: Convert to fraction form
    154,851.08/213,710.82 = 91,187.52/x
  3. Step 3: Cross multiply
    154,851.08x = 213,710.82 × 91,187.52
  4. Step 4: Simplify right side
    154,851.08x = 19,487,759,672.97
  5. Step 5: Solve for x
    x = 19,487,759,672.97/154,851.08
  6. Step 6: Final answer
    x = 125,848.39

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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.