Home / 102,047.44-140,825.32-56,724

Finding the Fourth Proportional to 102,047.44, 140,825.32 and 56,724

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Solution

The fourth proportional to 102,047.44, 140,825.32 and 56,724 is: 78,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,047.44 : 140,825.32 = 56,724 : x
  2. Step 2: Convert to fraction form
    102,047.44/140,825.32 = 56,724/x
  3. Step 3: Cross multiply
    102,047.44x = 140,825.32 × 56,724
  4. Step 4: Simplify right side
    102,047.44x = 7,988,175,451.68
  5. Step 5: Solve for x
    x = 7,988,175,451.68/102,047.44
  6. Step 6: Final answer
    x = 78,279.04

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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.