Home / 136,297.08-188,089.98-75,866.44

Finding the Fourth Proportional to 136,297.08, 188,089.98 and 75,866.44

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Solution

The fourth proportional to 136,297.08, 188,089.98 and 75,866.44 is: 104,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,297.08 : 188,089.98 = 75,866.44 : x
  2. Step 2: Convert to fraction form
    136,297.08/188,089.98 = 75,866.44/x
  3. Step 3: Cross multiply
    136,297.08x = 188,089.98 × 75,866.44
  4. Step 4: Simplify right side
    136,297.08x = 14,269,717,182.27
  5. Step 5: Solve for x
    x = 14,269,717,182.27/136,297.08
  6. Step 6: Final answer
    x = 104,695.69

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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.