Home / 134,591.10-185,733.26-74,167.36

Finding the Fourth Proportional to 134,591.10, 185,733.26 and 74,167.36

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Solution

The fourth proportional to 134,591.10, 185,733.26 and 74,167.36 is: 102,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,591.10 : 185,733.26 = 74,167.36 : x
  2. Step 2: Convert to fraction form
    134,591.10/185,733.26 = 74,167.36/x
  3. Step 3: Cross multiply
    134,591.10x = 185,733.26 × 74,167.36
  4. Step 4: Simplify right side
    134,591.10x = 13,775,345,558.39
  5. Step 5: Solve for x
    x = 13,775,345,558.39/134,591.10
  6. Step 6: Final answer
    x = 102,349.60

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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.