Home / 78,153.48-116,699.67-62,179.83

Finding the Fourth Proportional to 78,153.48, 116,699.67 and 62,179.83

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Solution

The fourth proportional to 78,153.48, 116,699.67 and 62,179.83 is: 92,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,153.48 : 116,699.67 = 62,179.83 : x
  2. Step 2: Convert to fraction form
    78,153.48/116,699.67 = 62,179.83/x
  3. Step 3: Cross multiply
    78,153.48x = 116,699.67 × 62,179.83
  4. Step 4: Simplify right side
    78,153.48x = 7,256,365,641.66
  5. Step 5: Solve for x
    x = 7,256,365,641.66/78,153.48
  6. Step 6: Final answer
    x = 92,847.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.