Home / 163,976.79-245,965.23-126,591.44

Finding the Fourth Proportional to 163,976.79, 245,965.23 and 126,591.44

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Solution

The fourth proportional to 163,976.79, 245,965.23 and 126,591.44 is: 189,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,976.79 : 245,965.23 = 126,591.44 : x
  2. Step 2: Convert to fraction form
    163,976.79/245,965.23 = 126,591.44/x
  3. Step 3: Cross multiply
    163,976.79x = 245,965.23 × 126,591.44
  4. Step 4: Simplify right side
    163,976.79x = 31,137,091,425.81
  5. Step 5: Solve for x
    x = 31,137,091,425.81/163,976.79
  6. Step 6: Final answer
    x = 189,887.19

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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.