Home / 148,238.29-222,555.48-85,121.47

Finding the Fourth Proportional to 148,238.29, 222,555.48 and 85,121.47

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Solution

The fourth proportional to 148,238.29, 222,555.48 and 85,121.47 is: 127,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,238.29 : 222,555.48 = 85,121.47 : x
  2. Step 2: Convert to fraction form
    148,238.29/222,555.48 = 85,121.47/x
  3. Step 3: Cross multiply
    148,238.29x = 222,555.48 × 85,121.47
  4. Step 4: Simplify right side
    148,238.29x = 18,944,249,614.16
  5. Step 5: Solve for x
    x = 18,944,249,614.16/148,238.29
  6. Step 6: Final answer
    x = 127,795.93

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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.