Home / 122,385.18-183,555.93-77,879.82

Finding the Fourth Proportional to 122,385.18, 183,555.93 and 77,879.82

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Solution

The fourth proportional to 122,385.18, 183,555.93 and 77,879.82 is: 116,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,385.18 : 183,555.93 = 77,879.82 : x
  2. Step 2: Convert to fraction form
    122,385.18/183,555.93 = 77,879.82/x
  3. Step 3: Cross multiply
    122,385.18x = 183,555.93 × 77,879.82
  4. Step 4: Simplify right side
    122,385.18x = 14,295,302,788.33
  5. Step 5: Solve for x
    x = 14,295,302,788.33/122,385.18
  6. Step 6: Final answer
    x = 116,805.83

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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.