Home / 160,555.11-221,566.03-88,939.77

Finding the Fourth Proportional to 160,555.11, 221,566.03 and 88,939.77

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Solution

The fourth proportional to 160,555.11, 221,566.03 and 88,939.77 is: 122,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,555.11 : 221,566.03 = 88,939.77 : x
  2. Step 2: Convert to fraction form
    160,555.11/221,566.03 = 88,939.77/x
  3. Step 3: Cross multiply
    160,555.11x = 221,566.03 × 88,939.77
  4. Step 4: Simplify right side
    160,555.11x = 19,706,031,748.01
  5. Step 5: Solve for x
    x = 19,706,031,748.01/160,555.11
  6. Step 6: Final answer
    x = 122,736.87

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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.