Home / 156,174.67-234,016.71-120,722.86

Finding the Fourth Proportional to 156,174.67, 234,016.71 and 120,722.86

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Solution

The fourth proportional to 156,174.67, 234,016.71 and 120,722.86 is: 180,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,174.67 : 234,016.71 = 120,722.86 : x
  2. Step 2: Convert to fraction form
    156,174.67/234,016.71 = 120,722.86/x
  3. Step 3: Cross multiply
    156,174.67x = 234,016.71 × 120,722.86
  4. Step 4: Simplify right side
    156,174.67x = 28,251,166,518.99
  5. Step 5: Solve for x
    x = 28,251,166,518.99/156,174.67
  6. Step 6: Final answer
    x = 180,894.68

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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.