Home / 134,765.55-185,977.76-74,338.74

Finding the Fourth Proportional to 134,765.55, 185,977.76 and 74,338.74

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Solution

The fourth proportional to 134,765.55, 185,977.76 and 74,338.74 is: 102,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,765.55 : 185,977.76 = 74,338.74 : x
  2. Step 2: Convert to fraction form
    134,765.55/185,977.76 = 74,338.74/x
  3. Step 3: Cross multiply
    134,765.55x = 185,977.76 × 74,338.74
  4. Step 4: Simplify right side
    134,765.55x = 13,825,351,974.73
  5. Step 5: Solve for x
    x = 13,825,351,974.73/134,765.55
  6. Step 6: Final answer
    x = 102,588.18

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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.