Home / 220,774.32-331,185.18-94,427.69

Finding the Fourth Proportional to 220,774.32, 331,185.18 and 94,427.69

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Solution

The fourth proportional to 220,774.32, 331,185.18 and 94,427.69 is: 141,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,774.32 : 331,185.18 = 94,427.69 : x
  2. Step 2: Convert to fraction form
    220,774.32/331,185.18 = 94,427.69/x
  3. Step 3: Cross multiply
    220,774.32x = 331,185.18 × 94,427.69
  4. Step 4: Simplify right side
    220,774.32x = 31,273,049,853.71
  5. Step 5: Solve for x
    x = 31,273,049,853.71/220,774.32
  6. Step 6: Final answer
    x = 141,651.66

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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.