Home / 145,155.21-217,732.56-95,223.42

Finding the Fourth Proportional to 145,155.21, 217,732.56 and 95,223.42

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Solution

The fourth proportional to 145,155.21, 217,732.56 and 95,223.42 is: 142,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155.21 : 217,732.56 = 95,223.42 : x
  2. Step 2: Convert to fraction form
    145,155.21/217,732.56 = 95,223.42/x
  3. Step 3: Cross multiply
    145,155.21x = 217,732.56 × 95,223.42
  4. Step 4: Simplify right side
    145,155.21x = 20,733,239,008.56
  5. Step 5: Solve for x
    x = 20,733,239,008.56/145,155.21
  6. Step 6: Final answer
    x = 142,834.96

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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.