Home / 129,277.82-193,868.74-45,016.36

Finding the Fourth Proportional to 129,277.82, 193,868.74 and 45,016.36

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Solution

The fourth proportional to 129,277.82, 193,868.74 and 45,016.36 is: 67,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,277.82 : 193,868.74 = 45,016.36 : x
  2. Step 2: Convert to fraction form
    129,277.82/193,868.74 = 45,016.36/x
  3. Step 3: Cross multiply
    129,277.82x = 193,868.74 × 45,016.36
  4. Step 4: Simplify right side
    129,277.82x = 8,727,264,564.19
  5. Step 5: Solve for x
    x = 8,727,264,564.19/129,277.82
  6. Step 6: Final answer
    x = 67,507.82

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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.