Home / 261,749.54-392,619.98-64,757.54

Finding the Fourth Proportional to 261,749.54, 392,619.98 and 64,757.54

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Solution

The fourth proportional to 261,749.54, 392,619.98 and 64,757.54 is: 97,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,749.54 : 392,619.98 = 64,757.54 : x
  2. Step 2: Convert to fraction form
    261,749.54/392,619.98 = 64,757.54/x
  3. Step 3: Cross multiply
    261,749.54x = 392,619.98 × 64,757.54
  4. Step 4: Simplify right side
    261,749.54x = 25,425,102,258.44
  5. Step 5: Solve for x
    x = 25,425,102,258.44/261,749.54
  6. Step 6: Final answer
    x = 97,135.23

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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.