Home / 148,679.08-205,040.04-101,003.56

Finding the Fourth Proportional to 148,679.08, 205,040.04 and 101,003.56

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Solution

The fourth proportional to 148,679.08, 205,040.04 and 101,003.56 is: 139,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,679.08 : 205,040.04 = 101,003.56 : x
  2. Step 2: Convert to fraction form
    148,679.08/205,040.04 = 101,003.56/x
  3. Step 3: Cross multiply
    148,679.08x = 205,040.04 × 101,003.56
  4. Step 4: Simplify right side
    148,679.08x = 20,709,773,982.54
  5. Step 5: Solve for x
    x = 20,709,773,982.54/148,679.08
  6. Step 6: Final answer
    x = 139,291.78

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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.