Home / 145,108-217,661.97-95,176.56

Finding the Fourth Proportional to 145,108, 217,661.97 and 95,176.56

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Solution

The fourth proportional to 145,108, 217,661.97 and 95,176.56 is: 142,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,108 : 217,661.97 = 95,176.56 : x
  2. Step 2: Convert to fraction form
    145,108/217,661.97 = 95,176.56/x
  3. Step 3: Cross multiply
    145,108x = 217,661.97 × 95,176.56
  4. Step 4: Simplify right side
    145,108x = 20,716,317,547.42
  5. Step 5: Solve for x
    x = 20,716,317,547.42/145,108
  6. Step 6: Final answer
    x = 142,764.82

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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.