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Finding the Fourth Proportional to 175,340.88, 241,968.60 and 99,891

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Solution

The fourth proportional to 175,340.88, 241,968.60 and 99,891 is: 137,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,340.88 : 241,968.60 = 99,891 : x
  2. Step 2: Convert to fraction form
    175,340.88/241,968.60 = 99,891/x
  3. Step 3: Cross multiply
    175,340.88x = 241,968.60 × 99,891
  4. Step 4: Simplify right side
    175,340.88x = 24,170,485,422.60
  5. Step 5: Solve for x
    x = 24,170,485,422.60/175,340.88
  6. Step 6: Final answer
    x = 137,848.55

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1.5x scale

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.