Home / 121,440.26-182,172.53-37,199.45

Finding the Fourth Proportional to 121,440.26, 182,172.53 and 37,199.45

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Solution

The fourth proportional to 121,440.26, 182,172.53 and 37,199.45 is: 55,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,440.26 : 182,172.53 = 37,199.45 : x
  2. Step 2: Convert to fraction form
    121,440.26/182,172.53 = 37,199.45/x
  3. Step 3: Cross multiply
    121,440.26x = 182,172.53 × 37,199.45
  4. Step 4: Simplify right side
    121,440.26x = 6,776,716,824.25
  5. Step 5: Solve for x
    x = 6,776,716,824.25/121,440.26
  6. Step 6: Final answer
    x = 55,802.89

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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.