Home / 159,822.30-220,555.64-88,202.50

Finding the Fourth Proportional to 159,822.30, 220,555.64 and 88,202.50

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Solution

The fourth proportional to 159,822.30, 220,555.64 and 88,202.50 is: 121,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,822.30 : 220,555.64 = 88,202.50 : x
  2. Step 2: Convert to fraction form
    159,822.30/220,555.64 = 88,202.50/x
  3. Step 3: Cross multiply
    159,822.30x = 220,555.64 × 88,202.50
  4. Step 4: Simplify right side
    159,822.30x = 19,453,558,837.10
  5. Step 5: Solve for x
    x = 19,453,558,837.10/159,822.30
  6. Step 6: Final answer
    x = 121,719.93

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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.