Home / 99,311.36-148,967.09-29,239.88

Finding the Fourth Proportional to 99,311.36, 148,967.09 and 29,239.88

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Solution

The fourth proportional to 99,311.36, 148,967.09 and 29,239.88 is: 43,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,311.36 : 148,967.09 = 29,239.88 : x
  2. Step 2: Convert to fraction form
    99,311.36/148,967.09 = 29,239.88/x
  3. Step 3: Cross multiply
    99,311.36x = 148,967.09 × 29,239.88
  4. Step 4: Simplify right side
    99,311.36x = 4,355,778,944.51
  5. Step 5: Solve for x
    x = 4,355,778,944.51/99,311.36
  6. Step 6: Final answer
    x = 43,859.83

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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.