Home / 94,879.70-142,342.92-66,854.50

Finding the Fourth Proportional to 94,879.70, 142,342.92 and 66,854.50

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Solution

The fourth proportional to 94,879.70, 142,342.92 and 66,854.50 is: 100,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,879.70 : 142,342.92 = 66,854.50 : x
  2. Step 2: Convert to fraction form
    94,879.70/142,342.92 = 66,854.50/x
  3. Step 3: Cross multiply
    94,879.70x = 142,342.92 × 66,854.50
  4. Step 4: Simplify right side
    94,879.70x = 9,516,264,745.14
  5. Step 5: Solve for x
    x = 9,516,264,745.14/94,879.70
  6. Step 6: Final answer
    x = 100,298.22

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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.