Home / 160,359.48-221,478.84-109,284.12

Finding the Fourth Proportional to 160,359.48, 221,478.84 and 109,284.12

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Solution

The fourth proportional to 160,359.48, 221,478.84 and 109,284.12 is: 150,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,359.48 : 221,478.84 = 109,284.12 : x
  2. Step 2: Convert to fraction form
    160,359.48/221,478.84 = 109,284.12/x
  3. Step 3: Cross multiply
    160,359.48x = 221,478.84 × 109,284.12
  4. Step 4: Simplify right side
    160,359.48x = 24,204,120,128.02
  5. Step 5: Solve for x
    x = 24,204,120,128.02/160,359.48
  6. Step 6: Final answer
    x = 150,936.63

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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.