Home / 159,855.86-220,585.37-88,231.25

Finding the Fourth Proportional to 159,855.86, 220,585.37 and 88,231.25

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Solution

The fourth proportional to 159,855.86, 220,585.37 and 88,231.25 is: 121,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,855.86 : 220,585.37 = 88,231.25 : x
  2. Step 2: Convert to fraction form
    159,855.86/220,585.37 = 88,231.25/x
  3. Step 3: Cross multiply
    159,855.86x = 220,585.37 × 88,231.25
  4. Step 4: Simplify right side
    159,855.86x = 19,462,523,037.12
  5. Step 5: Solve for x
    x = 19,462,523,037.12/159,855.86
  6. Step 6: Final answer
    x = 121,750.45

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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.