Home / 104,365.30-156,317.55-42,003.70

Finding the Fourth Proportional to 104,365.30, 156,317.55 and 42,003.70

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Solution

The fourth proportional to 104,365.30, 156,317.55 and 42,003.70 is: 62,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,365.30 : 156,317.55 = 42,003.70 : x
  2. Step 2: Convert to fraction form
    104,365.30/156,317.55 = 42,003.70/x
  3. Step 3: Cross multiply
    104,365.30x = 156,317.55 × 42,003.70
  4. Step 4: Simplify right side
    104,365.30x = 6,565,915,474.94
  5. Step 5: Solve for x
    x = 6,565,915,474.94/104,365.30
  6. Step 6: Final answer
    x = 62,912.82

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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.