Home / 102,844.20-154,280.70-43,679.40

Finding the Fourth Proportional to 102,844.20, 154,280.70 and 43,679.40

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Solution

The fourth proportional to 102,844.20, 154,280.70 and 43,679.40 is: 65,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,844.20 : 154,280.70 = 43,679.40 : x
  2. Step 2: Convert to fraction form
    102,844.20/154,280.70 = 43,679.40/x
  3. Step 3: Cross multiply
    102,844.20x = 154,280.70 × 43,679.40
  4. Step 4: Simplify right side
    102,844.20x = 6,738,888,407.58
  5. Step 5: Solve for x
    x = 6,738,888,407.58/102,844.20
  6. Step 6: Final answer
    x = 65,525.22

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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.