Home / 147,738.60-221,607.90-136,333.80

Finding the Fourth Proportional to 147,738.60, 221,607.90 and 136,333.80

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Solution

The fourth proportional to 147,738.60, 221,607.90 and 136,333.80 is: 204,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738.60 : 221,607.90 = 136,333.80 : x
  2. Step 2: Convert to fraction form
    147,738.60/221,607.90 = 136,333.80/x
  3. Step 3: Cross multiply
    147,738.60x = 221,607.90 × 136,333.80
  4. Step 4: Simplify right side
    147,738.60x = 30,212,647,117.02
  5. Step 5: Solve for x
    x = 30,212,647,117.02/147,738.60
  6. Step 6: Final answer
    x = 204,500.70

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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.