Home / 131,199.84-181,030.14-88,241.22

Finding the Fourth Proportional to 131,199.84, 181,030.14 and 88,241.22

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Solution

The fourth proportional to 131,199.84, 181,030.14 and 88,241.22 is: 121,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,199.84 : 181,030.14 = 88,241.22 : x
  2. Step 2: Convert to fraction form
    131,199.84/181,030.14 = 88,241.22/x
  3. Step 3: Cross multiply
    131,199.84x = 181,030.14 × 88,241.22
  4. Step 4: Simplify right side
    131,199.84x = 15,974,320,410.37
  5. Step 5: Solve for x
    x = 15,974,320,410.37/131,199.84
  6. Step 6: Final answer
    x = 121,755.64

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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.