Home / 147,556.29-220,876.27-79,920.34

Finding the Fourth Proportional to 147,556.29, 220,876.27 and 79,920.34

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Solution

The fourth proportional to 147,556.29, 220,876.27 and 79,920.34 is: 119,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,556.29 : 220,876.27 = 79,920.34 : x
  2. Step 2: Convert to fraction form
    147,556.29/220,876.27 = 79,920.34/x
  3. Step 3: Cross multiply
    147,556.29x = 220,876.27 × 79,920.34
  4. Step 4: Simplify right side
    147,556.29x = 17,652,506,596.33
  5. Step 5: Solve for x
    x = 17,652,506,596.33/147,556.29
  6. Step 6: Final answer
    x = 119,632.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.