Home / 157,036.40-235,481.70-68,244.20

Finding the Fourth Proportional to 157,036.40, 235,481.70 and 68,244.20

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Solution

The fourth proportional to 157,036.40, 235,481.70 and 68,244.20 is: 102,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,036.40 : 235,481.70 = 68,244.20 : x
  2. Step 2: Convert to fraction form
    157,036.40/235,481.70 = 68,244.20/x
  3. Step 3: Cross multiply
    157,036.40x = 235,481.70 × 68,244.20
  4. Step 4: Simplify right side
    157,036.40x = 16,070,260,231.14
  5. Step 5: Solve for x
    x = 16,070,260,231.14/157,036.40
  6. Step 6: Final answer
    x = 102,334.62

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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.