Home / 148,679.51-222,900.32-77,566.46

Finding the Fourth Proportional to 148,679.51, 222,900.32 and 77,566.46

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Solution

The fourth proportional to 148,679.51, 222,900.32 and 77,566.46 is: 116,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,679.51 : 222,900.32 = 77,566.46 : x
  2. Step 2: Convert to fraction form
    148,679.51/222,900.32 = 77,566.46/x
  3. Step 3: Cross multiply
    148,679.51x = 222,900.32 × 77,566.46
  4. Step 4: Simplify right side
    148,679.51x = 17,289,587,834.68
  5. Step 5: Solve for x
    x = 17,289,587,834.68/148,679.51
  6. Step 6: Final answer
    x = 116,287.63

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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.