Home / 239,749.65-359,584.16-87,915.33

Finding the Fourth Proportional to 239,749.65, 359,584.16 and 87,915.33

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Solution

The fourth proportional to 239,749.65, 359,584.16 and 87,915.33 is: 131,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,749.65 : 359,584.16 = 87,915.33 : x
  2. Step 2: Convert to fraction form
    239,749.65/359,584.16 = 87,915.33/x
  3. Step 3: Cross multiply
    239,749.65x = 359,584.16 × 87,915.33
  4. Step 4: Simplify right side
    239,749.65x = 31,612,959,649.60
  5. Step 5: Solve for x
    x = 31,612,959,649.60/239,749.65
  6. Step 6: Final answer
    x = 131,858.21

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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.