Home / 134,150.02-185,086.68-80,415.43

Finding the Fourth Proportional to 134,150.02, 185,086.68 and 80,415.43

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Solution

The fourth proportional to 134,150.02, 185,086.68 and 80,415.43 is: 110,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,150.02 : 185,086.68 = 80,415.43 : x
  2. Step 2: Convert to fraction form
    134,150.02/185,086.68 = 80,415.43/x
  3. Step 3: Cross multiply
    134,150.02x = 185,086.68 × 80,415.43
  4. Step 4: Simplify right side
    134,150.02x = 14,883,824,959.47
  5. Step 5: Solve for x
    x = 14,883,824,959.47/134,150.02
  6. Step 6: Final answer
    x = 110,949.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.