Home / 219,416.64-329,056.88-79,156.96

Finding the Fourth Proportional to 219,416.64, 329,056.88 and 79,156.96

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Solution

The fourth proportional to 219,416.64, 329,056.88 and 79,156.96 is: 118,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,416.64 : 329,056.88 = 79,156.96 : x
  2. Step 2: Convert to fraction form
    219,416.64/329,056.88 = 79,156.96/x
  3. Step 3: Cross multiply
    219,416.64x = 329,056.88 × 79,156.96
  4. Step 4: Simplify right side
    219,416.64x = 26,047,142,287.88
  5. Step 5: Solve for x
    x = 26,047,142,287.88/219,416.64
  6. Step 6: Final answer
    x = 118,710.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.