Home / 139,903.20-209,777.85-95,580

Finding the Fourth Proportional to 139,903.20, 209,777.85 and 95,580

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Solution

The fourth proportional to 139,903.20, 209,777.85 and 95,580 is: 143,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,903.20 : 209,777.85 = 95,580 : x
  2. Step 2: Convert to fraction form
    139,903.20/209,777.85 = 95,580/x
  3. Step 3: Cross multiply
    139,903.20x = 209,777.85 × 95,580
  4. Step 4: Simplify right side
    139,903.20x = 20,050,566,903
  5. Step 5: Solve for x
    x = 20,050,566,903/139,903.20
  6. Step 6: Final answer
    x = 143,317.43

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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.