Home / 131,608.77-181,642.44-74,264.35

Finding the Fourth Proportional to 131,608.77, 181,642.44 and 74,264.35

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Solution

The fourth proportional to 131,608.77, 181,642.44 and 74,264.35 is: 102,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,608.77 : 181,642.44 = 74,264.35 : x
  2. Step 2: Convert to fraction form
    131,608.77/181,642.44 = 74,264.35/x
  3. Step 3: Cross multiply
    131,608.77x = 181,642.44 × 74,264.35
  4. Step 4: Simplify right side
    131,608.77x = 13,489,557,739.01
  5. Step 5: Solve for x
    x = 13,489,557,739.01/131,608.77
  6. Step 6: Final answer
    x = 102,497.41

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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.