Home / 121,827.81-182,764.86-55,273.35

Finding the Fourth Proportional to 121,827.81, 182,764.86 and 55,273.35

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Solution

The fourth proportional to 121,827.81, 182,764.86 and 55,273.35 is: 82,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,827.81 : 182,764.86 = 55,273.35 : x
  2. Step 2: Convert to fraction form
    121,827.81/182,764.86 = 55,273.35/x
  3. Step 3: Cross multiply
    121,827.81x = 182,764.86 × 55,273.35
  4. Step 4: Simplify right side
    121,827.81x = 10,102,026,552.57
  5. Step 5: Solve for x
    x = 10,102,026,552.57/121,827.81
  6. Step 6: Final answer
    x = 82,920.53

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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.