Home / 129,941.76-194,915.52-36,445.44

Finding the Fourth Proportional to 129,941.76, 194,915.52 and 36,445.44

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Solution

The fourth proportional to 129,941.76, 194,915.52 and 36,445.44 is: 54,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,941.76 : 194,915.52 = 36,445.44 : x
  2. Step 2: Convert to fraction form
    129,941.76/194,915.52 = 36,445.44/x
  3. Step 3: Cross multiply
    129,941.76x = 194,915.52 × 36,445.44
  4. Step 4: Simplify right side
    129,941.76x = 7,103,781,889.23
  5. Step 5: Solve for x
    x = 7,103,781,889.23/129,941.76
  6. Step 6: Final answer
    x = 54,668.97

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1.5x scale

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.