Home / 286,725.03-429,921.49-97,121.85

Finding the Fourth Proportional to 286,725.03, 429,921.49 and 97,121.85

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Solution

The fourth proportional to 286,725.03, 429,921.49 and 97,121.85 is: 145,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,725.03 : 429,921.49 = 97,121.85 : x
  2. Step 2: Convert to fraction form
    286,725.03/429,921.49 = 97,121.85/x
  3. Step 3: Cross multiply
    286,725.03x = 429,921.49 × 97,121.85
  4. Step 4: Simplify right side
    286,725.03x = 41,754,770,463.56
  5. Step 5: Solve for x
    x = 41,754,770,463.56/286,725.03
  6. Step 6: Final answer
    x = 145,626.53

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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.