Home / 160,817.63-221,783.06-100,393.85

Finding the Fourth Proportional to 160,817.63, 221,783.06 and 100,393.85

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Solution

The fourth proportional to 160,817.63, 221,783.06 and 100,393.85 is: 138,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,817.63 : 221,783.06 = 100,393.85 : x
  2. Step 2: Convert to fraction form
    160,817.63/221,783.06 = 100,393.85/x
  3. Step 3: Cross multiply
    160,817.63x = 221,783.06 × 100,393.85
  4. Step 4: Simplify right side
    160,817.63x = 22,265,656,063.62
  5. Step 5: Solve for x
    x = 22,265,656,063.62/160,817.63
  6. Step 6: Final answer
    x = 138,452.83

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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.