Home / 140,680.64-211,041.82-40,841.66

Finding the Fourth Proportional to 140,680.64, 211,041.82 and 40,841.66

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Solution

The fourth proportional to 140,680.64, 211,041.82 and 40,841.66 is: 61,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,680.64 : 211,041.82 = 40,841.66 : x
  2. Step 2: Convert to fraction form
    140,680.64/211,041.82 = 40,841.66/x
  3. Step 3: Cross multiply
    140,680.64x = 211,041.82 × 40,841.66
  4. Step 4: Simplify right side
    140,680.64x = 8,619,298,258.22
  5. Step 5: Solve for x
    x = 8,619,298,258.22/140,680.64
  6. Step 6: Final answer
    x = 61,268.55

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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.