Home / 156,922.53-235,442.12-72,723.03

Finding the Fourth Proportional to 156,922.53, 235,442.12 and 72,723.03

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Solution

The fourth proportional to 156,922.53, 235,442.12 and 72,723.03 is: 109,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.53 : 235,442.12 = 72,723.03 : x
  2. Step 2: Convert to fraction form
    156,922.53/235,442.12 = 72,723.03/x
  3. Step 3: Cross multiply
    156,922.53x = 235,442.12 × 72,723.03
  4. Step 4: Simplify right side
    156,922.53x = 17,122,063,992.41
  5. Step 5: Solve for x
    x = 17,122,063,992.41/156,922.53
  6. Step 6: Final answer
    x = 109,111.57

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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.