Home / 101,660.50-140,296.26-61,373.35

Finding the Fourth Proportional to 101,660.50, 140,296.26 and 61,373.35

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Solution

The fourth proportional to 101,660.50, 140,296.26 and 61,373.35 is: 84,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,660.50 : 140,296.26 = 61,373.35 : x
  2. Step 2: Convert to fraction form
    101,660.50/140,296.26 = 61,373.35/x
  3. Step 3: Cross multiply
    101,660.50x = 140,296.26 × 61,373.35
  4. Step 4: Simplify right side
    101,660.50x = 8,610,451,468.67
  5. Step 5: Solve for x
    x = 8,610,451,468.67/101,660.50
  6. Step 6: Final answer
    x = 84,698.10

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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.