Home / 131,994.09-182,155.44-74,642

Finding the Fourth Proportional to 131,994.09, 182,155.44 and 74,642

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Solution

The fourth proportional to 131,994.09, 182,155.44 and 74,642 is: 103,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,994.09 : 182,155.44 = 74,642 : x
  2. Step 2: Convert to fraction form
    131,994.09/182,155.44 = 74,642/x
  3. Step 3: Cross multiply
    131,994.09x = 182,155.44 × 74,642
  4. Step 4: Simplify right side
    131,994.09x = 13,596,446,352.48
  5. Step 5: Solve for x
    x = 13,596,446,352.48/131,994.09
  6. Step 6: Final answer
    x = 103,007.99

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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.