Home / 141,723.77-212,086.35-88,440.81

Finding the Fourth Proportional to 141,723.77, 212,086.35 and 88,440.81

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Solution

The fourth proportional to 141,723.77, 212,086.35 and 88,440.81 is: 132,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,723.77 : 212,086.35 = 88,440.81 : x
  2. Step 2: Convert to fraction form
    141,723.77/212,086.35 = 88,440.81/x
  3. Step 3: Cross multiply
    141,723.77x = 212,086.35 × 88,440.81
  4. Step 4: Simplify right side
    141,723.77x = 18,757,088,583.94
  5. Step 5: Solve for x
    x = 18,757,088,583.94/141,723.77
  6. Step 6: Final answer
    x = 132,349.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.