Home / 207,343.02-310,999.94-80,959.52

Finding the Fourth Proportional to 207,343.02, 310,999.94 and 80,959.52

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Solution

The fourth proportional to 207,343.02, 310,999.94 and 80,959.52 is: 121,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,343.02 : 310,999.94 = 80,959.52 : x
  2. Step 2: Convert to fraction form
    207,343.02/310,999.94 = 80,959.52/x
  3. Step 3: Cross multiply
    207,343.02x = 310,999.94 × 80,959.52
  4. Step 4: Simplify right side
    207,343.02x = 25,178,405,862.43
  5. Step 5: Solve for x
    x = 25,178,405,862.43/207,343.02
  6. Step 6: Final answer
    x = 121,433.58

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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.