Home / 148,040.78-222,059.11-35,720.06

Finding the Fourth Proportional to 148,040.78, 222,059.11 and 35,720.06

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Solution

The fourth proportional to 148,040.78, 222,059.11 and 35,720.06 is: 53,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,040.78 : 222,059.11 = 35,720.06 : x
  2. Step 2: Convert to fraction form
    148,040.78/222,059.11 = 35,720.06/x
  3. Step 3: Cross multiply
    148,040.78x = 222,059.11 × 35,720.06
  4. Step 4: Simplify right side
    148,040.78x = 7,931,963,600.13
  5. Step 5: Solve for x
    x = 7,931,963,600.13/148,040.78
  6. Step 6: Final answer
    x = 53,579.59

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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.