Home / 121,440.25-182,172.53-37,199.44

Finding the Fourth Proportional to 121,440.25, 182,172.53 and 37,199.44

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Solution

The fourth proportional to 121,440.25, 182,172.53 and 37,199.44 is: 55,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,440.25 : 182,172.53 = 37,199.44 : x
  2. Step 2: Convert to fraction form
    121,440.25/182,172.53 = 37,199.44/x
  3. Step 3: Cross multiply
    121,440.25x = 182,172.53 × 37,199.44
  4. Step 4: Simplify right side
    121,440.25x = 6,776,716,099.38
  5. Step 5: Solve for x
    x = 6,776,716,099.38/121,440.25
  6. Step 6: Final answer
    x = 55,802.88

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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.