Home / 134,223.90-201,105.45-87,452.70

Finding the Fourth Proportional to 134,223.90, 201,105.45 and 87,452.70

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Solution

The fourth proportional to 134,223.90, 201,105.45 and 87,452.70 is: 131,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,223.90 : 201,105.45 = 87,452.70 : x
  2. Step 2: Convert to fraction form
    134,223.90/201,105.45 = 87,452.70/x
  3. Step 3: Cross multiply
    134,223.90x = 201,105.45 × 87,452.70
  4. Step 4: Simplify right side
    134,223.90x = 17,587,214,587.22
  5. Step 5: Solve for x
    x = 17,587,214,587.22/134,223.90
  6. Step 6: Final answer
    x = 131,028.93

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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.