Home / 141,203.45-194,861.09-77,545.35

Finding the Fourth Proportional to 141,203.45, 194,861.09 and 77,545.35

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Solution

The fourth proportional to 141,203.45, 194,861.09 and 77,545.35 is: 107,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203.45 : 194,861.09 = 77,545.35 : x
  2. Step 2: Convert to fraction form
    141,203.45/194,861.09 = 77,545.35/x
  3. Step 3: Cross multiply
    141,203.45x = 194,861.09 × 77,545.35
  4. Step 4: Simplify right side
    141,203.45x = 15,110,571,619.29
  5. Step 5: Solve for x
    x = 15,110,571,619.29/141,203.45
  6. Step 6: Final answer
    x = 107,012.76

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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.