Home / 137,147.68-205,389.36-94,909.44

Finding the Fourth Proportional to 137,147.68, 205,389.36 and 94,909.44

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Solution

The fourth proportional to 137,147.68, 205,389.36 and 94,909.44 is: 142,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,147.68 : 205,389.36 = 94,909.44 : x
  2. Step 2: Convert to fraction form
    137,147.68/205,389.36 = 94,909.44/x
  3. Step 3: Cross multiply
    137,147.68x = 205,389.36 × 94,909.44
  4. Step 4: Simplify right side
    137,147.68x = 19,493,389,139.56
  5. Step 5: Solve for x
    x = 19,493,389,139.56/137,147.68
  6. Step 6: Final answer
    x = 142,134.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.