Home / 134,366.70-185,502.53-89,105.79

Finding the Fourth Proportional to 134,366.70, 185,502.53 and 89,105.79

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Solution

The fourth proportional to 134,366.70, 185,502.53 and 89,105.79 is: 123,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,366.70 : 185,502.53 = 89,105.79 : x
  2. Step 2: Convert to fraction form
    134,366.70/185,502.53 = 89,105.79/x
  3. Step 3: Cross multiply
    134,366.70x = 185,502.53 × 89,105.79
  4. Step 4: Simplify right side
    134,366.70x = 16,529,349,106.99
  5. Step 5: Solve for x
    x = 16,529,349,106.99/134,366.70
  6. Step 6: Final answer
    x = 123,016.71

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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.