Home / 219,555.13-302,982.15-124,059.78

Finding the Fourth Proportional to 219,555.13, 302,982.15 and 124,059.78

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Solution

The fourth proportional to 219,555.13, 302,982.15 and 124,059.78 is: 171,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,555.13 : 302,982.15 = 124,059.78 : x
  2. Step 2: Convert to fraction form
    219,555.13/302,982.15 = 124,059.78/x
  3. Step 3: Cross multiply
    219,555.13x = 302,982.15 × 124,059.78
  4. Step 4: Simplify right side
    219,555.13x = 37,587,898,872.93
  5. Step 5: Solve for x
    x = 37,587,898,872.93/219,555.13
  6. Step 6: Final answer
    x = 171,200.28

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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.