Home / 133,566.03-200,381.45-40,071.78

Finding the Fourth Proportional to 133,566.03, 200,381.45 and 40,071.78

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Solution

The fourth proportional to 133,566.03, 200,381.45 and 40,071.78 is: 60,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,566.03 : 200,381.45 = 40,071.78 : x
  2. Step 2: Convert to fraction form
    133,566.03/200,381.45 = 40,071.78/x
  3. Step 3: Cross multiply
    133,566.03x = 200,381.45 × 40,071.78
  4. Step 4: Simplify right side
    133,566.03x = 8,029,641,180.12
  5. Step 5: Solve for x
    x = 8,029,641,180.12/133,566.03
  6. Step 6: Final answer
    x = 60,117.39

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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.