Home / 99,005.40-148,396.50-49,121.22

Finding the Fourth Proportional to 99,005.40, 148,396.50 and 49,121.22

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Solution

The fourth proportional to 99,005.40, 148,396.50 and 49,121.22 is: 73,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,005.40 : 148,396.50 = 49,121.22 : x
  2. Step 2: Convert to fraction form
    99,005.40/148,396.50 = 49,121.22/x
  3. Step 3: Cross multiply
    99,005.40x = 148,396.50 × 49,121.22
  4. Step 4: Simplify right side
    99,005.40x = 7,289,417,123.73
  5. Step 5: Solve for x
    x = 7,289,417,123.73/99,005.40
  6. Step 6: Final answer
    x = 73,626.46

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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.