Home / 245,213.82-338,358.36-137,763.06

Finding the Fourth Proportional to 245,213.82, 338,358.36 and 137,763.06

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Solution

The fourth proportional to 245,213.82, 338,358.36 and 137,763.06 is: 190,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,213.82 : 338,358.36 = 137,763.06 : x
  2. Step 2: Convert to fraction form
    245,213.82/338,358.36 = 137,763.06/x
  3. Step 3: Cross multiply
    245,213.82x = 338,358.36 × 137,763.06
  4. Step 4: Simplify right side
    245,213.82x = 46,613,283,050.18
  5. Step 5: Solve for x
    x = 46,613,283,050.18/245,213.82
  6. Step 6: Final answer
    x = 190,092.40

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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.