Home / 141,861.12-195,782.13-105,988.86

Finding the Fourth Proportional to 141,861.12, 195,782.13 and 105,988.86

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Solution

The fourth proportional to 141,861.12, 195,782.13 and 105,988.86 is: 146,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,861.12 : 195,782.13 = 105,988.86 : x
  2. Step 2: Convert to fraction form
    141,861.12/195,782.13 = 105,988.86/x
  3. Step 3: Cross multiply
    141,861.12x = 195,782.13 × 105,988.86
  4. Step 4: Simplify right side
    141,861.12x = 20,750,724,767.07
  5. Step 5: Solve for x
    x = 20,750,724,767.07/141,861.12
  6. Step 6: Final answer
    x = 146,274.93

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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.