Home / 121,829.12-182,722.72-33,089.77

Finding the Fourth Proportional to 121,829.12, 182,722.72 and 33,089.77

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Solution

The fourth proportional to 121,829.12, 182,722.72 and 33,089.77 is: 49,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,829.12 : 182,722.72 = 33,089.77 : x
  2. Step 2: Convert to fraction form
    121,829.12/182,722.72 = 33,089.77/x
  3. Step 3: Cross multiply
    121,829.12x = 182,722.72 × 33,089.77
  4. Step 4: Simplify right side
    121,829.12x = 6,046,252,778.57
  5. Step 5: Solve for x
    x = 6,046,252,778.57/121,829.12
  6. Step 6: Final answer
    x = 49,628.96

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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.