Home / 121,964.02-182,940.53-50,857.36

Finding the Fourth Proportional to 121,964.02, 182,940.53 and 50,857.36

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Solution

The fourth proportional to 121,964.02, 182,940.53 and 50,857.36 is: 76,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,964.02 : 182,940.53 = 50,857.36 : x
  2. Step 2: Convert to fraction form
    121,964.02/182,940.53 = 50,857.36/x
  3. Step 3: Cross multiply
    121,964.02x = 182,940.53 × 50,857.36
  4. Step 4: Simplify right side
    121,964.02x = 9,303,871,478.10
  5. Step 5: Solve for x
    x = 9,303,871,478.10/121,964.02
  6. Step 6: Final answer
    x = 76,283.74

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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.