Home / 220,429.72-304,196.04-119,829.88

Finding the Fourth Proportional to 220,429.72, 304,196.04 and 119,829.88

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Solution

The fourth proportional to 220,429.72, 304,196.04 and 119,829.88 is: 165,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,429.72 : 304,196.04 = 119,829.88 : x
  2. Step 2: Convert to fraction form
    220,429.72/304,196.04 = 119,829.88/x
  3. Step 3: Cross multiply
    220,429.72x = 304,196.04 × 119,829.88
  4. Step 4: Simplify right side
    220,429.72x = 36,451,774,969.68
  5. Step 5: Solve for x
    x = 36,451,774,969.68/220,429.72
  6. Step 6: Final answer
    x = 165,366.88

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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.