Home / 102,195.08-141,035.84-56,872.93

Finding the Fourth Proportional to 102,195.08, 141,035.84 and 56,872.93

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Solution

The fourth proportional to 102,195.08, 141,035.84 and 56,872.93 is: 78,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,195.08 : 141,035.84 = 56,872.93 : x
  2. Step 2: Convert to fraction form
    102,195.08/141,035.84 = 56,872.93/x
  3. Step 3: Cross multiply
    102,195.08x = 141,035.84 × 56,872.93
  4. Step 4: Simplify right side
    102,195.08x = 8,021,121,059.86
  5. Step 5: Solve for x
    x = 8,021,121,059.86/102,195.08
  6. Step 6: Final answer
    x = 78,488.33

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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.