Home / 137,427.03-206,169.98-42,655.14

Finding the Fourth Proportional to 137,427.03, 206,169.98 and 42,655.14

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Solution

The fourth proportional to 137,427.03, 206,169.98 and 42,655.14 is: 63,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,427.03 : 206,169.98 = 42,655.14 : x
  2. Step 2: Convert to fraction form
    137,427.03/206,169.98 = 42,655.14/x
  3. Step 3: Cross multiply
    137,427.03x = 206,169.98 × 42,655.14
  4. Step 4: Simplify right side
    137,427.03x = 8,794,209,147.42
  5. Step 5: Solve for x
    x = 8,794,209,147.42/137,427.03
  6. Step 6: Final answer
    x = 63,991.84

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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.