Home / 129,948.30-194,922.45-70,899.30

Finding the Fourth Proportional to 129,948.30, 194,922.45 and 70,899.30

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Solution

The fourth proportional to 129,948.30, 194,922.45 and 70,899.30 is: 106,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948.30 : 194,922.45 = 70,899.30 : x
  2. Step 2: Convert to fraction form
    129,948.30/194,922.45 = 70,899.30/x
  3. Step 3: Cross multiply
    129,948.30x = 194,922.45 × 70,899.30
  4. Step 4: Simplify right side
    129,948.30x = 13,819,865,259.29
  5. Step 5: Solve for x
    x = 13,819,865,259.29/129,948.30
  6. Step 6: Final answer
    x = 106,348.95

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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.