Home / 102,218.85-141,062.00-56,895.86

Finding the Fourth Proportional to 102,218.85, 141,062.00 and 56,895.86

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Solution

The fourth proportional to 102,218.85, 141,062.00 and 56,895.86 is: 78,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,218.85 : 141,062.00 = 56,895.86 : x
  2. Step 2: Convert to fraction form
    102,218.85/141,062.00 = 56,895.86/x
  3. Step 3: Cross multiply
    102,218.85x = 141,062.00 × 56,895.86
  4. Step 4: Simplify right side
    102,218.85x = 8,025,843,026.89
  5. Step 5: Solve for x
    x = 8,025,843,026.89/102,218.85
  6. Step 6: Final answer
    x = 78,516.27

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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.