Home / 122,385.26-183,451.60-51,349.15

Finding the Fourth Proportional to 122,385.26, 183,451.60 and 51,349.15

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Solution

The fourth proportional to 122,385.26, 183,451.60 and 51,349.15 is: 76,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,385.26 : 183,451.60 = 51,349.15 : x
  2. Step 2: Convert to fraction form
    122,385.26/183,451.60 = 51,349.15/x
  3. Step 3: Cross multiply
    122,385.26x = 183,451.60 × 51,349.15
  4. Step 4: Simplify right side
    122,385.26x = 9,420,084,019.64
  5. Step 5: Solve for x
    x = 9,420,084,019.64/122,385.26
  6. Step 6: Final answer
    x = 76,970.74

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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.