Home / 250,258.72-345,357.18-137,083.36

Finding the Fourth Proportional to 250,258.72, 345,357.18 and 137,083.36

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Solution

The fourth proportional to 250,258.72, 345,357.18 and 137,083.36 is: 189,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,258.72 : 345,357.18 = 137,083.36 : x
  2. Step 2: Convert to fraction form
    250,258.72/345,357.18 = 137,083.36/x
  3. Step 3: Cross multiply
    250,258.72x = 345,357.18 × 137,083.36
  4. Step 4: Simplify right side
    250,258.72x = 47,342,722,634.52
  5. Step 5: Solve for x
    x = 47,342,722,634.52/250,258.72
  6. Step 6: Final answer
    x = 189,175.12

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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.