Home / 135,231.08-186,602.54-74,793.47

Finding the Fourth Proportional to 135,231.08, 186,602.54 and 74,793.47

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Solution

The fourth proportional to 135,231.08, 186,602.54 and 74,793.47 is: 103,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,231.08 : 186,602.54 = 74,793.47 : x
  2. Step 2: Convert to fraction form
    135,231.08/186,602.54 = 74,793.47/x
  3. Step 3: Cross multiply
    135,231.08x = 186,602.54 × 74,793.47
  4. Step 4: Simplify right side
    135,231.08x = 13,956,650,170.43
  5. Step 5: Solve for x
    x = 13,956,650,170.43/135,231.08
  6. Step 6: Final answer
    x = 103,205.94

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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.