Home / 140,969.16-211,320-52,162.38

Finding the Fourth Proportional to 140,969.16, 211,320 and 52,162.38

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Solution

The fourth proportional to 140,969.16, 211,320 and 52,162.38 is: 78,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,969.16 : 211,320 = 52,162.38 : x
  2. Step 2: Convert to fraction form
    140,969.16/211,320 = 52,162.38/x
  3. Step 3: Cross multiply
    140,969.16x = 211,320 × 52,162.38
  4. Step 4: Simplify right side
    140,969.16x = 11,022,954,141.60
  5. Step 5: Solve for x
    x = 11,022,954,141.60/140,969.16
  6. Step 6: Final answer
    x = 78,194.08

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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.