Home / 220,321.44-304,048.08-119,725.92

Finding the Fourth Proportional to 220,321.44, 304,048.08 and 119,725.92

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Solution

The fourth proportional to 220,321.44, 304,048.08 and 119,725.92 is: 165,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,321.44 : 304,048.08 = 119,725.92 : x
  2. Step 2: Convert to fraction form
    220,321.44/304,048.08 = 119,725.92/x
  3. Step 3: Cross multiply
    220,321.44x = 304,048.08 × 119,725.92
  4. Step 4: Simplify right side
    220,321.44x = 36,402,436,102.23
  5. Step 5: Solve for x
    x = 36,402,436,102.23/220,321.44
  6. Step 6: Final answer
    x = 165,224.21

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1.5x scale

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.