Home / 245,487.24-338,769.18-138,057.24

Finding the Fourth Proportional to 245,487.24, 338,769.18 and 138,057.24

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Solution

The fourth proportional to 245,487.24, 338,769.18 and 138,057.24 is: 190,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,487.24 : 338,769.18 = 138,057.24 : x
  2. Step 2: Convert to fraction form
    245,487.24/338,769.18 = 138,057.24/x
  3. Step 3: Cross multiply
    245,487.24x = 338,769.18 × 138,057.24
  4. Step 4: Simplify right side
    245,487.24x = 46,769,537,987.86
  5. Step 5: Solve for x
    x = 46,769,537,987.86/245,487.24
  6. Step 6: Final answer
    x = 190,517.19

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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.