Home / 133,269.98-183,909.83-72,841.07

Finding the Fourth Proportional to 133,269.98, 183,909.83 and 72,841.07

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Solution

The fourth proportional to 133,269.98, 183,909.83 and 72,841.07 is: 100,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,269.98 : 183,909.83 = 72,841.07 : x
  2. Step 2: Convert to fraction form
    133,269.98/183,909.83 = 72,841.07/x
  3. Step 3: Cross multiply
    133,269.98x = 183,909.83 × 72,841.07
  4. Step 4: Simplify right side
    133,269.98x = 13,396,188,896.29
  5. Step 5: Solve for x
    x = 13,396,188,896.29/133,269.98
  6. Step 6: Final answer
    x = 100,519.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.