Home / 101,455.98-140,035.83-58,440.42

Finding the Fourth Proportional to 101,455.98, 140,035.83 and 58,440.42

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Solution

The fourth proportional to 101,455.98, 140,035.83 and 58,440.42 is: 80,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,455.98 : 140,035.83 = 58,440.42 : x
  2. Step 2: Convert to fraction form
    101,455.98/140,035.83 = 58,440.42/x
  3. Step 3: Cross multiply
    101,455.98x = 140,035.83 × 58,440.42
  4. Step 4: Simplify right side
    101,455.98x = 8,183,752,720.25
  5. Step 5: Solve for x
    x = 8,183,752,720.25/101,455.98
  6. Step 6: Final answer
    x = 80,663.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.