Home / 141,202.50-194,859.98-76,671.82

Finding the Fourth Proportional to 141,202.50, 194,859.98 and 76,671.82

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Solution

The fourth proportional to 141,202.50, 194,859.98 and 76,671.82 is: 105,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,202.50 : 194,859.98 = 76,671.82 : x
  2. Step 2: Convert to fraction form
    141,202.50/194,859.98 = 76,671.82/x
  3. Step 3: Cross multiply
    141,202.50x = 194,859.98 × 76,671.82
  4. Step 4: Simplify right side
    141,202.50x = 14,940,269,311.76
  5. Step 5: Solve for x
    x = 14,940,269,311.76/141,202.50
  6. Step 6: Final answer
    x = 105,807.40

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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.