Home / 138,682.35-207,977.63-45,166.23

Finding the Fourth Proportional to 138,682.35, 207,977.63 and 45,166.23

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Solution

The fourth proportional to 138,682.35, 207,977.63 and 45,166.23 is: 67,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,682.35 : 207,977.63 = 45,166.23 : x
  2. Step 2: Convert to fraction form
    138,682.35/207,977.63 = 45,166.23/x
  3. Step 3: Cross multiply
    138,682.35x = 207,977.63 × 45,166.23
  4. Step 4: Simplify right side
    138,682.35x = 9,393,565,245.60
  5. Step 5: Solve for x
    x = 9,393,565,245.60/138,682.35
  6. Step 6: Final answer
    x = 67,734.40

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1.5x scale

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.