Home / 140,781.71-211,179.05-52,018.67

Finding the Fourth Proportional to 140,781.71, 211,179.05 and 52,018.67

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Solution

The fourth proportional to 140,781.71, 211,179.05 and 52,018.67 is: 78,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,781.71 : 211,179.05 = 52,018.67 : x
  2. Step 2: Convert to fraction form
    140,781.71/211,179.05 = 52,018.67/x
  3. Step 3: Cross multiply
    140,781.71x = 211,179.05 × 52,018.67
  4. Step 4: Simplify right side
    140,781.71x = 10,985,251,996.87
  5. Step 5: Solve for x
    x = 10,985,251,996.87/140,781.71
  6. Step 6: Final answer
    x = 78,030.39

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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.