Home / 134,435.20-185,519.08-74,004.56

Finding the Fourth Proportional to 134,435.20, 185,519.08 and 74,004.56

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Solution

The fourth proportional to 134,435.20, 185,519.08 and 74,004.56 is: 102,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,435.20 : 185,519.08 = 74,004.56 : x
  2. Step 2: Convert to fraction form
    134,435.20/185,519.08 = 74,004.56/x
  3. Step 3: Cross multiply
    134,435.20x = 185,519.08 × 74,004.56
  4. Step 4: Simplify right side
    134,435.20x = 13,729,257,887.00
  5. Step 5: Solve for x
    x = 13,729,257,887.00/134,435.20
  6. Step 6: Final answer
    x = 102,125.47

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1.5x scale

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.