Home / 143,121.60-214,682.40-110,008.80

Finding the Fourth Proportional to 143,121.60, 214,682.40 and 110,008.80

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Solution

The fourth proportional to 143,121.60, 214,682.40 and 110,008.80 is: 165,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,121.60 : 214,682.40 = 110,008.80 : x
  2. Step 2: Convert to fraction form
    143,121.60/214,682.40 = 110,008.80/x
  3. Step 3: Cross multiply
    143,121.60x = 214,682.40 × 110,008.80
  4. Step 4: Simplify right side
    143,121.60x = 23,616,953,205.12
  5. Step 5: Solve for x
    x = 23,616,953,205.12/143,121.60
  6. Step 6: Final answer
    x = 165,013.20

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1.5x scale

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.