Home / 229,741.16-344,611.88-71,981.91

Finding the Fourth Proportional to 229,741.16, 344,611.88 and 71,981.91

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Solution

The fourth proportional to 229,741.16, 344,611.88 and 71,981.91 is: 107,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,741.16 : 344,611.88 = 71,981.91 : x
  2. Step 2: Convert to fraction form
    229,741.16/344,611.88 = 71,981.91/x
  3. Step 3: Cross multiply
    229,741.16x = 344,611.88 × 71,981.91
  4. Step 4: Simplify right side
    229,741.16x = 24,805,821,511.05
  5. Step 5: Solve for x
    x = 24,805,821,511.05/229,741.16
  6. Step 6: Final answer
    x = 107,972.91

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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.