Home / 121,440.41-182,172.76-37,199.60

Finding the Fourth Proportional to 121,440.41, 182,172.76 and 37,199.60

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Solution

The fourth proportional to 121,440.41, 182,172.76 and 37,199.60 is: 55,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,440.41 : 182,172.76 = 37,199.60 : x
  2. Step 2: Convert to fraction form
    121,440.41/182,172.76 = 37,199.60/x
  3. Step 3: Cross multiply
    121,440.41x = 182,172.76 × 37,199.60
  4. Step 4: Simplify right side
    121,440.41x = 6,776,753,802.90
  5. Step 5: Solve for x
    x = 6,776,753,802.90/121,440.41
  6. Step 6: Final answer
    x = 55,803.12

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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.