Home / 140,731.83-211,115.16-45,971.55

Finding the Fourth Proportional to 140,731.83, 211,115.16 and 45,971.55

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Solution

The fourth proportional to 140,731.83, 211,115.16 and 45,971.55 is: 68,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,731.83 : 211,115.16 = 45,971.55 : x
  2. Step 2: Convert to fraction form
    140,731.83/211,115.16 = 45,971.55/x
  3. Step 3: Cross multiply
    140,731.83x = 211,115.16 × 45,971.55
  4. Step 4: Simplify right side
    140,731.83x = 9,705,291,133.70
  5. Step 5: Solve for x
    x = 9,705,291,133.70/140,731.83
  6. Step 6: Final answer
    x = 68,963.01

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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.