Home / 148,721.70-222,434.55-133,040.10

Finding the Fourth Proportional to 148,721.70, 222,434.55 and 133,040.10

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Solution

The fourth proportional to 148,721.70, 222,434.55 and 133,040.10 is: 198,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,721.70 : 222,434.55 = 133,040.10 : x
  2. Step 2: Convert to fraction form
    148,721.70/222,434.55 = 133,040.10/x
  3. Step 3: Cross multiply
    148,721.70x = 222,434.55 × 133,040.10
  4. Step 4: Simplify right side
    148,721.70x = 29,592,714,775.46
  5. Step 5: Solve for x
    x = 29,592,714,775.46/148,721.70
  6. Step 6: Final answer
    x = 198,980.48

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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.