Home / 140,816.72-211,224.90-47,388.08

Finding the Fourth Proportional to 140,816.72, 211,224.90 and 47,388.08

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Solution

The fourth proportional to 140,816.72, 211,224.90 and 47,388.08 is: 71,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,816.72 : 211,224.90 = 47,388.08 : x
  2. Step 2: Convert to fraction form
    140,816.72/211,224.90 = 47,388.08/x
  3. Step 3: Cross multiply
    140,816.72x = 211,224.90 × 47,388.08
  4. Step 4: Simplify right side
    140,816.72x = 10,009,542,459.19
  5. Step 5: Solve for x
    x = 10,009,542,459.19/140,816.72
  6. Step 6: Final answer
    x = 71,082.06

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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.