Home / 159,904.36-220,666.65-88,282.84

Finding the Fourth Proportional to 159,904.36, 220,666.65 and 88,282.84

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Solution

The fourth proportional to 159,904.36, 220,666.65 and 88,282.84 is: 121,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,904.36 : 220,666.65 = 88,282.84 : x
  2. Step 2: Convert to fraction form
    159,904.36/220,666.65 = 88,282.84/x
  3. Step 3: Cross multiply
    159,904.36x = 220,666.65 × 88,282.84
  4. Step 4: Simplify right side
    159,904.36x = 19,481,078,555.29
  5. Step 5: Solve for x
    x = 19,481,078,555.29/159,904.36
  6. Step 6: Final answer
    x = 121,829.56

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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.