Home / 250,695.42-345,962.37-135,974.22

Finding the Fourth Proportional to 250,695.42, 345,962.37 and 135,974.22

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Solution

The fourth proportional to 250,695.42, 345,962.37 and 135,974.22 is: 187,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,695.42 : 345,962.37 = 135,974.22 : x
  2. Step 2: Convert to fraction form
    250,695.42/345,962.37 = 135,974.22/x
  3. Step 3: Cross multiply
    250,695.42x = 345,962.37 × 135,974.22
  4. Step 4: Simplify right side
    250,695.42x = 47,041,963,410.10
  5. Step 5: Solve for x
    x = 47,041,963,410.10/250,695.42
  6. Step 6: Final answer
    x = 187,645.88

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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.