Home / 160,779.17-221,619.57-126,732.44

Finding the Fourth Proportional to 160,779.17, 221,619.57 and 126,732.44

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Solution

The fourth proportional to 160,779.17, 221,619.57 and 126,732.44 is: 174,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,779.17 : 221,619.57 = 126,732.44 : x
  2. Step 2: Convert to fraction form
    160,779.17/221,619.57 = 126,732.44/x
  3. Step 3: Cross multiply
    160,779.17x = 221,619.57 × 126,732.44
  4. Step 4: Simplify right side
    160,779.17x = 28,086,388,857.85
  5. Step 5: Solve for x
    x = 28,086,388,857.85/160,779.17
  6. Step 6: Final answer
    x = 174,689.23

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1.5x scale

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.