Home / 133,712.26-200,458.95-67,071.94

Finding the Fourth Proportional to 133,712.26, 200,458.95 and 67,071.94

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Solution

The fourth proportional to 133,712.26, 200,458.95 and 67,071.94 is: 100,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712.26 : 200,458.95 = 67,071.94 : x
  2. Step 2: Convert to fraction form
    133,712.26/200,458.95 = 67,071.94/x
  3. Step 3: Cross multiply
    133,712.26x = 200,458.95 × 67,071.94
  4. Step 4: Simplify right side
    133,712.26x = 13,445,170,666.86
  5. Step 5: Solve for x
    x = 13,445,170,666.86/133,712.26
  6. Step 6: Final answer
    x = 100,553.01

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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.