Home / 159,656.80-220,327.92-88,039.36

Finding the Fourth Proportional to 159,656.80, 220,327.92 and 88,039.36

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Solution

The fourth proportional to 159,656.80, 220,327.92 and 88,039.36 is: 121,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,656.80 : 220,327.92 = 88,039.36 : x
  2. Step 2: Convert to fraction form
    159,656.80/220,327.92 = 88,039.36/x
  3. Step 3: Cross multiply
    159,656.80x = 220,327.92 × 88,039.36
  4. Step 4: Simplify right side
    159,656.80x = 19,397,529,066.93
  5. Step 5: Solve for x
    x = 19,397,529,066.93/159,656.80
  6. Step 6: Final answer
    x = 121,495.16

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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.