Home / 121,126.84-181,696.53-36,880.49

Finding the Fourth Proportional to 121,126.84, 181,696.53 and 36,880.49

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Solution

The fourth proportional to 121,126.84, 181,696.53 and 36,880.49 is: 55,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,126.84 : 181,696.53 = 36,880.49 : x
  2. Step 2: Convert to fraction form
    121,126.84/181,696.53 = 36,880.49/x
  3. Step 3: Cross multiply
    121,126.84x = 181,696.53 × 36,880.49
  4. Step 4: Simplify right side
    121,126.84x = 6,701,057,057.70
  5. Step 5: Solve for x
    x = 6,701,057,057.70/121,126.84
  6. Step 6: Final answer
    x = 55,322.64

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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.