Home / 88,182.66-121,625.38-61,311.72

Finding the Fourth Proportional to 88,182.66, 121,625.38 and 61,311.72

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Solution

The fourth proportional to 88,182.66, 121,625.38 and 61,311.72 is: 84,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,182.66 : 121,625.38 = 61,311.72 : x
  2. Step 2: Convert to fraction form
    88,182.66/121,625.38 = 61,311.72/x
  3. Step 3: Cross multiply
    88,182.66x = 121,625.38 × 61,311.72
  4. Step 4: Simplify right side
    88,182.66x = 7,457,061,243.45
  5. Step 5: Solve for x
    x = 7,457,061,243.45/88,182.66
  6. Step 6: Final answer
    x = 84,563.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.