Home / 155,305.77-213,793.05-114,943.47

Finding the Fourth Proportional to 155,305.77, 213,793.05 and 114,943.47

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Solution

The fourth proportional to 155,305.77, 213,793.05 and 114,943.47 is: 158,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,305.77 : 213,793.05 = 114,943.47 : x
  2. Step 2: Convert to fraction form
    155,305.77/213,793.05 = 114,943.47/x
  3. Step 3: Cross multiply
    155,305.77x = 213,793.05 × 114,943.47
  4. Step 4: Simplify right side
    155,305.77x = 24,574,115,028.88
  5. Step 5: Solve for x
    x = 24,574,115,028.88/155,305.77
  6. Step 6: Final answer
    x = 158,230.53

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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.