Home / 121,385.16-182,099.66-37,143.81

Finding the Fourth Proportional to 121,385.16, 182,099.66 and 37,143.81

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Solution

The fourth proportional to 121,385.16, 182,099.66 and 37,143.81 is: 55,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,385.16 : 182,099.66 = 37,143.81 : x
  2. Step 2: Convert to fraction form
    121,385.16/182,099.66 = 37,143.81/x
  3. Step 3: Cross multiply
    121,385.16x = 182,099.66 × 37,143.81
  4. Step 4: Simplify right side
    121,385.16x = 6,763,874,986.39
  5. Step 5: Solve for x
    x = 6,763,874,986.39/121,385.16
  6. Step 6: Final answer
    x = 55,722.42

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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.