Home / 166,747.55-250,083.88-76,703.78

Finding the Fourth Proportional to 166,747.55, 250,083.88 and 76,703.78

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Solution

The fourth proportional to 166,747.55, 250,083.88 and 76,703.78 is: 115,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,747.55 : 250,083.88 = 76,703.78 : x
  2. Step 2: Convert to fraction form
    166,747.55/250,083.88 = 76,703.78/x
  3. Step 3: Cross multiply
    166,747.55x = 250,083.88 × 76,703.78
  4. Step 4: Simplify right side
    166,747.55x = 19,182,378,913.07
  5. Step 5: Solve for x
    x = 19,182,378,913.07/166,747.55
  6. Step 6: Final answer
    x = 115,038.45

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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.