Home / 245,207.34-338,394.96-137,775.33

Finding the Fourth Proportional to 245,207.34, 338,394.96 and 137,775.33

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Solution

The fourth proportional to 245,207.34, 338,394.96 and 137,775.33 is: 190,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,207.34 : 338,394.96 = 137,775.33 : x
  2. Step 2: Convert to fraction form
    245,207.34/338,394.96 = 137,775.33/x
  3. Step 3: Cross multiply
    245,207.34x = 338,394.96 × 137,775.33
  4. Step 4: Simplify right side
    245,207.34x = 46,622,477,284.34
  5. Step 5: Solve for x
    x = 46,622,477,284.34/245,207.34
  6. Step 6: Final answer
    x = 190,134.92

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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.