Home / 131,376.66-181,299.99-74,788.04

Finding the Fourth Proportional to 131,376.66, 181,299.99 and 74,788.04

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Solution

The fourth proportional to 131,376.66, 181,299.99 and 74,788.04 is: 103,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,376.66 : 181,299.99 = 74,788.04 : x
  2. Step 2: Convert to fraction form
    131,376.66/181,299.99 = 74,788.04/x
  3. Step 3: Cross multiply
    131,376.66x = 181,299.99 × 74,788.04
  4. Step 4: Simplify right side
    131,376.66x = 13,559,069,997.62
  5. Step 5: Solve for x
    x = 13,559,069,997.62/131,376.66
  6. Step 6: Final answer
    x = 103,207.60

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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.