Home / 219,420.35-329,141.93-69,672.37

Finding the Fourth Proportional to 219,420.35, 329,141.93 and 69,672.37

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Solution

The fourth proportional to 219,420.35, 329,141.93 and 69,672.37 is: 104,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,420.35 : 329,141.93 = 69,672.37 : x
  2. Step 2: Convert to fraction form
    219,420.35/329,141.93 = 69,672.37/x
  3. Step 3: Cross multiply
    219,420.35x = 329,141.93 × 69,672.37
  4. Step 4: Simplify right side
    219,420.35x = 22,932,098,329.47
  5. Step 5: Solve for x
    x = 22,932,098,329.47/219,420.35
  6. Step 6: Final answer
    x = 104,512.18

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1.5x scale

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.