Home / 160,479.21-221,468.91-96,815.64

Finding the Fourth Proportional to 160,479.21, 221,468.91 and 96,815.64

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Solution

The fourth proportional to 160,479.21, 221,468.91 and 96,815.64 is: 133,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,479.21 : 221,468.91 = 96,815.64 : x
  2. Step 2: Convert to fraction form
    160,479.21/221,468.91 = 96,815.64/x
  3. Step 3: Cross multiply
    160,479.21x = 221,468.91 × 96,815.64
  4. Step 4: Simplify right side
    160,479.21x = 21,441,654,261.75
  5. Step 5: Solve for x
    x = 21,441,654,261.75/160,479.21
  6. Step 6: Final answer
    x = 133,610.17

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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.