Home / 129,869.48-194,687.26-46,705

Finding the Fourth Proportional to 129,869.48, 194,687.26 and 46,705

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Solution

The fourth proportional to 129,869.48, 194,687.26 and 46,705 is: 70,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,869.48 : 194,687.26 = 46,705 : x
  2. Step 2: Convert to fraction form
    129,869.48/194,687.26 = 46,705/x
  3. Step 3: Cross multiply
    129,869.48x = 194,687.26 × 46,705
  4. Step 4: Simplify right side
    129,869.48x = 9,092,868,478.30
  5. Step 5: Solve for x
    x = 9,092,868,478.30/129,869.48
  6. Step 6: Final answer
    x = 70,015.44

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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.