Home / 160,400.79-221,328.30-92,404.44

Finding the Fourth Proportional to 160,400.79, 221,328.30 and 92,404.44

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Solution

The fourth proportional to 160,400.79, 221,328.30 and 92,404.44 is: 127,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.79 : 221,328.30 = 92,404.44 : x
  2. Step 2: Convert to fraction form
    160,400.79/221,328.30 = 92,404.44/x
  3. Step 3: Cross multiply
    160,400.79x = 221,328.30 × 92,404.44
  4. Step 4: Simplify right side
    160,400.79x = 20,451,717,617.65
  5. Step 5: Solve for x
    x = 20,451,717,617.65/160,400.79
  6. Step 6: Final answer
    x = 127,503.85

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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.