Home / 140,724.90-211,098.42-40,886.82

Finding the Fourth Proportional to 140,724.90, 211,098.42 and 40,886.82

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Solution

The fourth proportional to 140,724.90, 211,098.42 and 40,886.82 is: 61,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,724.90 : 211,098.42 = 40,886.82 : x
  2. Step 2: Convert to fraction form
    140,724.90/211,098.42 = 40,886.82/x
  3. Step 3: Cross multiply
    140,724.90x = 211,098.42 × 40,886.82
  4. Step 4: Simplify right side
    140,724.90x = 8,631,143,100.82
  5. Step 5: Solve for x
    x = 8,631,143,100.82/140,724.90
  6. Step 6: Final answer
    x = 61,333.45

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1.5x scale

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.