Home / 133,721.24-200,612.90-38,953.67

Finding the Fourth Proportional to 133,721.24, 200,612.90 and 38,953.67

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Solution

The fourth proportional to 133,721.24, 200,612.90 and 38,953.67 is: 58,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,721.24 : 200,612.90 = 38,953.67 : x
  2. Step 2: Convert to fraction form
    133,721.24/200,612.90 = 38,953.67/x
  3. Step 3: Cross multiply
    133,721.24x = 200,612.90 × 38,953.67
  4. Step 4: Simplify right side
    133,721.24x = 7,814,607,798.66
  5. Step 5: Solve for x
    x = 7,814,607,798.66/133,721.24
  6. Step 6: Final answer
    x = 58,439.54

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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.