Home / 72,352.22-108,396.90-70,777.58

Finding the Fourth Proportional to 72,352.22, 108,396.90 and 70,777.58

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Solution

The fourth proportional to 72,352.22, 108,396.90 and 70,777.58 is: 106,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,352.22 : 108,396.90 = 70,777.58 : x
  2. Step 2: Convert to fraction form
    72,352.22/108,396.90 = 70,777.58/x
  3. Step 3: Cross multiply
    72,352.22x = 108,396.90 × 70,777.58
  4. Step 4: Simplify right side
    72,352.22x = 7,672,070,261.50
  5. Step 5: Solve for x
    x = 7,672,070,261.50/72,352.22
  6. Step 6: Final answer
    x = 106,037.80

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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.