Home / 245,514.24-338,769.96-138,077.84

Finding the Fourth Proportional to 245,514.24, 338,769.96 and 138,077.84

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Solution

The fourth proportional to 245,514.24, 338,769.96 and 138,077.84 is: 190,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,514.24 : 338,769.96 = 138,077.84 : x
  2. Step 2: Convert to fraction form
    245,514.24/338,769.96 = 138,077.84/x
  3. Step 3: Cross multiply
    245,514.24x = 338,769.96 × 138,077.84
  4. Step 4: Simplify right side
    245,514.24x = 46,776,624,333.69
  5. Step 5: Solve for x
    x = 46,776,624,333.69/245,514.24
  6. Step 6: Final answer
    x = 190,525.10

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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.