Home / 124,625.10-186,998.64-77,227.50

Finding the Fourth Proportional to 124,625.10, 186,998.64 and 77,227.50

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Solution

The fourth proportional to 124,625.10, 186,998.64 and 77,227.50 is: 115,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,625.10 : 186,998.64 = 77,227.50 : x
  2. Step 2: Convert to fraction form
    124,625.10/186,998.64 = 77,227.50/x
  3. Step 3: Cross multiply
    124,625.10x = 186,998.64 × 77,227.50
  4. Step 4: Simplify right side
    124,625.10x = 14,441,437,470.60
  5. Step 5: Solve for x
    x = 14,441,437,470.60/124,625.10
  6. Step 6: Final answer
    x = 115,879.04

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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.