Home / 129,700.49-194,588.33-53,784.91

Finding the Fourth Proportional to 129,700.49, 194,588.33 and 53,784.91

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Solution

The fourth proportional to 129,700.49, 194,588.33 and 53,784.91 is: 80,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,700.49 : 194,588.33 = 53,784.91 : x
  2. Step 2: Convert to fraction form
    129,700.49/194,588.33 = 53,784.91/x
  3. Step 3: Cross multiply
    129,700.49x = 194,588.33 × 53,784.91
  4. Step 4: Simplify right side
    129,700.49x = 10,465,915,790.41
  5. Step 5: Solve for x
    x = 10,465,915,790.41/129,700.49
  6. Step 6: Final answer
    x = 80,692.95

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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.