Home / 140,729.59-211,094.81-34,113.12

Finding the Fourth Proportional to 140,729.59, 211,094.81 and 34,113.12

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Solution

The fourth proportional to 140,729.59, 211,094.81 and 34,113.12 is: 51,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,729.59 : 211,094.81 = 34,113.12 : x
  2. Step 2: Convert to fraction form
    140,729.59/211,094.81 = 34,113.12/x
  3. Step 3: Cross multiply
    140,729.59x = 211,094.81 × 34,113.12
  4. Step 4: Simplify right side
    140,729.59x = 7,201,102,584.91
  5. Step 5: Solve for x
    x = 7,201,102,584.91/140,729.59
  6. Step 6: Final answer
    x = 51,169.78

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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.