Home / 245,025.33-338,126.16-137,599.89

Finding the Fourth Proportional to 245,025.33, 338,126.16 and 137,599.89

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Solution

The fourth proportional to 245,025.33, 338,126.16 and 137,599.89 is: 189,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,025.33 : 338,126.16 = 137,599.89 : x
  2. Step 2: Convert to fraction form
    245,025.33/338,126.16 = 137,599.89/x
  3. Step 3: Cross multiply
    245,025.33x = 338,126.16 × 137,599.89
  4. Step 4: Simplify right side
    245,025.33x = 46,526,122,422.12
  5. Step 5: Solve for x
    x = 46,526,122,422.12/245,025.33
  6. Step 6: Final answer
    x = 189,882.91

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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.