Home / 134,343.60-185,391.72-91,900.68

Finding the Fourth Proportional to 134,343.60, 185,391.72 and 91,900.68

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Solution

The fourth proportional to 134,343.60, 185,391.72 and 91,900.68 is: 126,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,343.60 : 185,391.72 = 91,900.68 : x
  2. Step 2: Convert to fraction form
    134,343.60/185,391.72 = 91,900.68/x
  3. Step 3: Cross multiply
    134,343.60x = 185,391.72 × 91,900.68
  4. Step 4: Simplify right side
    134,343.60x = 17,037,625,134.37
  5. Step 5: Solve for x
    x = 17,037,625,134.37/134,343.60
  6. Step 6: Final answer
    x = 126,821.26

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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.