Home / 140,761.41-211,162.71-40,908.60

Finding the Fourth Proportional to 140,761.41, 211,162.71 and 40,908.60

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Solution

The fourth proportional to 140,761.41, 211,162.71 and 40,908.60 is: 61,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,761.41 : 211,162.71 = 40,908.60 : x
  2. Step 2: Convert to fraction form
    140,761.41/211,162.71 = 40,908.60/x
  3. Step 3: Cross multiply
    140,761.41x = 211,162.71 × 40,908.60
  4. Step 4: Simplify right side
    140,761.41x = 8,638,370,838.31
  5. Step 5: Solve for x
    x = 8,638,370,838.31/140,761.41
  6. Step 6: Final answer
    x = 61,368.89

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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.