Home / 129,946.68-194,969.88-45,715.59

Finding the Fourth Proportional to 129,946.68, 194,969.88 and 45,715.59

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Solution

The fourth proportional to 129,946.68, 194,969.88 and 45,715.59 is: 68,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,946.68 : 194,969.88 = 45,715.59 : x
  2. Step 2: Convert to fraction form
    129,946.68/194,969.88 = 45,715.59/x
  3. Step 3: Cross multiply
    129,946.68x = 194,969.88 × 45,715.59
  4. Step 4: Simplify right side
    129,946.68x = 8,913,163,096.43
  5. Step 5: Solve for x
    x = 8,913,163,096.43/129,946.68
  6. Step 6: Final answer
    x = 68,590.93

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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.