Home / 137,387.79-207,174.83-135,514.26

Finding the Fourth Proportional to 137,387.79, 207,174.83 and 135,514.26

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Solution

The fourth proportional to 137,387.79, 207,174.83 and 135,514.26 is: 204,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,387.79 : 207,174.83 = 135,514.26 : x
  2. Step 2: Convert to fraction form
    137,387.79/207,174.83 = 135,514.26/x
  3. Step 3: Cross multiply
    137,387.79x = 207,174.83 × 135,514.26
  4. Step 4: Simplify right side
    137,387.79x = 28,075,143,100.50
  5. Step 5: Solve for x
    x = 28,075,143,100.50/137,387.79
  6. Step 6: Final answer
    x = 204,349.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.