Home / 74,148.03-111,232.89-21,550.68

Finding the Fourth Proportional to 74,148.03, 111,232.89 and 21,550.68

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Solution

The fourth proportional to 74,148.03, 111,232.89 and 21,550.68 is: 32,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,148.03 : 111,232.89 = 21,550.68 : x
  2. Step 2: Convert to fraction form
    74,148.03/111,232.89 = 21,550.68/x
  3. Step 3: Cross multiply
    74,148.03x = 111,232.89 × 21,550.68
  4. Step 4: Simplify right side
    74,148.03x = 2,397,144,417.87
  5. Step 5: Solve for x
    x = 2,397,144,417.87/74,148.03
  6. Step 6: Final answer
    x = 32,329.17

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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.