Home / 143,215.60-214,823.40-110,102.80

Finding the Fourth Proportional to 143,215.60, 214,823.40 and 110,102.80

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Solution

The fourth proportional to 143,215.60, 214,823.40 and 110,102.80 is: 165,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,215.60 : 214,823.40 = 110,102.80 : x
  2. Step 2: Convert to fraction form
    143,215.60/214,823.40 = 110,102.80/x
  3. Step 3: Cross multiply
    143,215.60x = 214,823.40 × 110,102.80
  4. Step 4: Simplify right side
    143,215.60x = 23,652,657,845.52
  5. Step 5: Solve for x
    x = 23,652,657,845.52/143,215.60
  6. Step 6: Final answer
    x = 165,154.20

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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.