Home / 102,738.28-154,119.70-43,566.26

Finding the Fourth Proportional to 102,738.28, 154,119.70 and 43,566.26

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Solution

The fourth proportional to 102,738.28, 154,119.70 and 43,566.26 is: 65,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,738.28 : 154,119.70 = 43,566.26 : x
  2. Step 2: Convert to fraction form
    102,738.28/154,119.70 = 43,566.26/x
  3. Step 3: Cross multiply
    102,738.28x = 154,119.70 × 43,566.26
  4. Step 4: Simplify right side
    102,738.28x = 6,714,418,921.32
  5. Step 5: Solve for x
    x = 6,714,418,921.32/102,738.28
  6. Step 6: Final answer
    x = 65,354.60

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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.