Home / 140,875.40-211,326.13-50,940.56

Finding the Fourth Proportional to 140,875.40, 211,326.13 and 50,940.56

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Solution

The fourth proportional to 140,875.40, 211,326.13 and 50,940.56 is: 76,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,875.40 : 211,326.13 = 50,940.56 : x
  2. Step 2: Convert to fraction form
    140,875.40/211,326.13 = 50,940.56/x
  3. Step 3: Cross multiply
    140,875.40x = 211,326.13 × 50,940.56
  4. Step 4: Simplify right side
    140,875.40x = 10,765,071,996.82
  5. Step 5: Solve for x
    x = 10,765,071,996.82/140,875.40
  6. Step 6: Final answer
    x = 76,415.55

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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.