Home / 149,943.78-224,978.19-65,764.43

Finding the Fourth Proportional to 149,943.78, 224,978.19 and 65,764.43

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Solution

The fourth proportional to 149,943.78, 224,978.19 and 65,764.43 is: 98,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,943.78 : 224,978.19 = 65,764.43 : x
  2. Step 2: Convert to fraction form
    149,943.78/224,978.19 = 65,764.43/x
  3. Step 3: Cross multiply
    149,943.78x = 224,978.19 × 65,764.43
  4. Step 4: Simplify right side
    149,943.78x = 14,795,562,427.78
  5. Step 5: Solve for x
    x = 14,795,562,427.78/149,943.78
  6. Step 6: Final answer
    x = 98,674.07

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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.