Home / 163,977.29-245,965.98-126,591.94

Finding the Fourth Proportional to 163,977.29, 245,965.98 and 126,591.94

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Solution

The fourth proportional to 163,977.29, 245,965.98 and 126,591.94 is: 189,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,977.29 : 245,965.98 = 126,591.94 : x
  2. Step 2: Convert to fraction form
    163,977.29/245,965.98 = 126,591.94/x
  3. Step 3: Cross multiply
    163,977.29x = 245,965.98 × 126,591.94
  4. Step 4: Simplify right side
    163,977.29x = 31,137,309,352.37
  5. Step 5: Solve for x
    x = 31,137,309,352.37/163,977.29
  6. Step 6: Final answer
    x = 189,887.94

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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.