Home / 148,510.36-222,806.64-68,572.78

Finding the Fourth Proportional to 148,510.36, 222,806.64 and 68,572.78

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Solution

The fourth proportional to 148,510.36, 222,806.64 and 68,572.78 is: 102,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,510.36 : 222,806.64 = 68,572.78 : x
  2. Step 2: Convert to fraction form
    148,510.36/222,806.64 = 68,572.78/x
  3. Step 3: Cross multiply
    148,510.36x = 222,806.64 × 68,572.78
  4. Step 4: Simplify right side
    148,510.36x = 15,278,470,707.26
  5. Step 5: Solve for x
    x = 15,278,470,707.26/148,510.36
  6. Step 6: Final answer
    x = 102,878.15

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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.