Home / 99,400.92-148,988.34-51,942.84

Finding the Fourth Proportional to 99,400.92, 148,988.34 and 51,942.84

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Solution

The fourth proportional to 99,400.92, 148,988.34 and 51,942.84 is: 77,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400.92 : 148,988.34 = 51,942.84 : x
  2. Step 2: Convert to fraction form
    99,400.92/148,988.34 = 51,942.84/x
  3. Step 3: Cross multiply
    99,400.92x = 148,988.34 × 51,942.84
  4. Step 4: Simplify right side
    99,400.92x = 7,738,877,506.49
  5. Step 5: Solve for x
    x = 7,738,877,506.49/99,400.92
  6. Step 6: Final answer
    x = 77,855.19

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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.