Home / 141,733.20-195,605.76-105,861

Finding the Fourth Proportional to 141,733.20, 195,605.76 and 105,861

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Solution

The fourth proportional to 141,733.20, 195,605.76 and 105,861 is: 146,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,733.20 : 195,605.76 = 105,861 : x
  2. Step 2: Convert to fraction form
    141,733.20/195,605.76 = 105,861/x
  3. Step 3: Cross multiply
    141,733.20x = 195,605.76 × 105,861
  4. Step 4: Simplify right side
    141,733.20x = 20,707,021,359.36
  5. Step 5: Solve for x
    x = 20,707,021,359.36/141,733.20
  6. Step 6: Final answer
    x = 146,098.59

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1.5x scale

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.