Home / 191,524.79-287,087.60-107,161.26

Finding the Fourth Proportional to 191,524.79, 287,087.60 and 107,161.26

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Solution

The fourth proportional to 191,524.79, 287,087.60 and 107,161.26 is: 160,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,524.79 : 287,087.60 = 107,161.26 : x
  2. Step 2: Convert to fraction form
    191,524.79/287,087.60 = 107,161.26/x
  3. Step 3: Cross multiply
    191,524.79x = 287,087.60 × 107,161.26
  4. Step 4: Simplify right side
    191,524.79x = 30,764,669,932.00
  5. Step 5: Solve for x
    x = 30,764,669,932.00/191,524.79
  6. Step 6: Final answer
    x = 160,630.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.