Home / 134,646.37-185,822.70-74,227.75

Finding the Fourth Proportional to 134,646.37, 185,822.70 and 74,227.75

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Solution

The fourth proportional to 134,646.37, 185,822.70 and 74,227.75 is: 102,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,646.37 : 185,822.70 = 74,227.75 : x
  2. Step 2: Convert to fraction form
    134,646.37/185,822.70 = 74,227.75/x
  3. Step 3: Cross multiply
    134,646.37x = 185,822.70 × 74,227.75
  4. Step 4: Simplify right side
    134,646.37x = 13,793,200,919.93
  5. Step 5: Solve for x
    x = 13,793,200,919.93/134,646.37
  6. Step 6: Final answer
    x = 102,440.20

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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.