Home / 157,982.67-236,764.42-69,139.44

Finding the Fourth Proportional to 157,982.67, 236,764.42 and 69,139.44

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Solution

The fourth proportional to 157,982.67, 236,764.42 and 69,139.44 is: 103,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,982.67 : 236,764.42 = 69,139.44 : x
  2. Step 2: Convert to fraction form
    157,982.67/236,764.42 = 69,139.44/x
  3. Step 3: Cross multiply
    157,982.67x = 236,764.42 × 69,139.44
  4. Step 4: Simplify right side
    157,982.67x = 16,369,759,410.72
  5. Step 5: Solve for x
    x = 16,369,759,410.72/157,982.67
  6. Step 6: Final answer
    x = 103,617.44

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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.