Home / 136,270.32-188,010.71-77,324.12

Finding the Fourth Proportional to 136,270.32, 188,010.71 and 77,324.12

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Solution

The fourth proportional to 136,270.32, 188,010.71 and 77,324.12 is: 106,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270.32 : 188,010.71 = 77,324.12 : x
  2. Step 2: Convert to fraction form
    136,270.32/188,010.71 = 77,324.12/x
  3. Step 3: Cross multiply
    136,270.32x = 188,010.71 × 77,324.12
  4. Step 4: Simplify right side
    136,270.32x = 14,537,761,374.65
  5. Step 5: Solve for x
    x = 14,537,761,374.65/136,270.32
  6. Step 6: Final answer
    x = 106,683.26

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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.