Home / 219,956.94-329,931.35-70,196.04

Finding the Fourth Proportional to 219,956.94, 329,931.35 and 70,196.04

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Solution

The fourth proportional to 219,956.94, 329,931.35 and 70,196.04 is: 105,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,956.94 : 329,931.35 = 70,196.04 : x
  2. Step 2: Convert to fraction form
    219,956.94/329,931.35 = 70,196.04/x
  3. Step 3: Cross multiply
    219,956.94x = 329,931.35 × 70,196.04
  4. Step 4: Simplify right side
    219,956.94x = 23,159,872,592.20
  5. Step 5: Solve for x
    x = 23,159,872,592.20/219,956.94
  6. Step 6: Final answer
    x = 105,292.76

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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.