Home / 133,487.42-200,237.78-39,984.26

Finding the Fourth Proportional to 133,487.42, 200,237.78 and 39,984.26

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Solution

The fourth proportional to 133,487.42, 200,237.78 and 39,984.26 is: 59,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,487.42 : 200,237.78 = 39,984.26 : x
  2. Step 2: Convert to fraction form
    133,487.42/200,237.78 = 39,984.26/x
  3. Step 3: Cross multiply
    133,487.42x = 200,237.78 × 39,984.26
  4. Step 4: Simplify right side
    133,487.42x = 8,006,359,457.34
  5. Step 5: Solve for x
    x = 8,006,359,457.34/133,487.42
  6. Step 6: Final answer
    x = 59,978.38

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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.