Home / 135,232.37-186,562.03-81,486.84

Finding the Fourth Proportional to 135,232.37, 186,562.03 and 81,486.84

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Solution

The fourth proportional to 135,232.37, 186,562.03 and 81,486.84 is: 112,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,232.37 : 186,562.03 = 81,486.84 : x
  2. Step 2: Convert to fraction form
    135,232.37/186,562.03 = 81,486.84/x
  3. Step 3: Cross multiply
    135,232.37x = 186,562.03 × 81,486.84
  4. Step 4: Simplify right side
    135,232.37x = 15,202,349,881.25
  5. Step 5: Solve for x
    x = 15,202,349,881.25/135,232.37
  6. Step 6: Final answer
    x = 112,416.51

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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.