Home / 97,869.98-146,819.55-45,284.78

Finding the Fourth Proportional to 97,869.98, 146,819.55 and 45,284.78

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Solution

The fourth proportional to 97,869.98, 146,819.55 and 45,284.78 is: 67,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,869.98 : 146,819.55 = 45,284.78 : x
  2. Step 2: Convert to fraction form
    97,869.98/146,819.55 = 45,284.78/x
  3. Step 3: Cross multiply
    97,869.98x = 146,819.55 × 45,284.78
  4. Step 4: Simplify right side
    97,869.98x = 6,648,691,021.45
  5. Step 5: Solve for x
    x = 6,648,691,021.45/97,869.98
  6. Step 6: Final answer
    x = 67,933.92

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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.