Home / 156,946.69-235,420.03-51,773.86

Finding the Fourth Proportional to 156,946.69, 235,420.03 and 51,773.86

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Solution

The fourth proportional to 156,946.69, 235,420.03 and 51,773.86 is: 77,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.69 : 235,420.03 = 51,773.86 : x
  2. Step 2: Convert to fraction form
    156,946.69/235,420.03 = 51,773.86/x
  3. Step 3: Cross multiply
    156,946.69x = 235,420.03 × 51,773.86
  4. Step 4: Simplify right side
    156,946.69x = 12,188,603,674.42
  5. Step 5: Solve for x
    x = 12,188,603,674.42/156,946.69
  6. Step 6: Final answer
    x = 77,660.79

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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.