Home / 229,139.19-343,626.75-79,339.29

Finding the Fourth Proportional to 229,139.19, 343,626.75 and 79,339.29

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Solution

The fourth proportional to 229,139.19, 343,626.75 and 79,339.29 is: 118,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,139.19 : 343,626.75 = 79,339.29 : x
  2. Step 2: Convert to fraction form
    229,139.19/343,626.75 = 79,339.29/x
  3. Step 3: Cross multiply
    229,139.19x = 343,626.75 × 79,339.29
  4. Step 4: Simplify right side
    229,139.19x = 27,263,102,370.01
  5. Step 5: Solve for x
    x = 27,263,102,370.01/229,139.19
  6. Step 6: Final answer
    x = 118,980.53

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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.