Home / 144,163.20-216,244.80-135,998.40

Finding the Fourth Proportional to 144,163.20, 216,244.80 and 135,998.40

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Solution

The fourth proportional to 144,163.20, 216,244.80 and 135,998.40 is: 203,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,163.20 : 216,244.80 = 135,998.40 : x
  2. Step 2: Convert to fraction form
    144,163.20/216,244.80 = 135,998.40/x
  3. Step 3: Cross multiply
    144,163.20x = 216,244.80 × 135,998.40
  4. Step 4: Simplify right side
    144,163.20x = 29,408,946,808.32
  5. Step 5: Solve for x
    x = 29,408,946,808.32/144,163.20
  6. Step 6: Final answer
    x = 203,997.60

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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.