Home / 97,819.70-146,559.45-45,121.10

Finding the Fourth Proportional to 97,819.70, 146,559.45 and 45,121.10

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Solution

The fourth proportional to 97,819.70, 146,559.45 and 45,121.10 is: 67,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,819.70 : 146,559.45 = 45,121.10 : x
  2. Step 2: Convert to fraction form
    97,819.70/146,559.45 = 45,121.10/x
  3. Step 3: Cross multiply
    97,819.70x = 146,559.45 × 45,121.10
  4. Step 4: Simplify right side
    97,819.70x = 6,612,923,599.40
  5. Step 5: Solve for x
    x = 6,612,923,599.40/97,819.70
  6. Step 6: Final answer
    x = 67,603.19

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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.