Home / 155,650.50-214,716.44-98,269.20

Finding the Fourth Proportional to 155,650.50, 214,716.44 and 98,269.20

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Solution

The fourth proportional to 155,650.50, 214,716.44 and 98,269.20 is: 135,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,650.50 : 214,716.44 = 98,269.20 : x
  2. Step 2: Convert to fraction form
    155,650.50/214,716.44 = 98,269.20/x
  3. Step 3: Cross multiply
    155,650.50x = 214,716.44 × 98,269.20
  4. Step 4: Simplify right side
    155,650.50x = 21,100,013,031.32
  5. Step 5: Solve for x
    x = 21,100,013,031.32/155,650.50
  6. Step 6: Final answer
    x = 135,560.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.