Home / 129,636.02-194,454.91-36,142.58

Finding the Fourth Proportional to 129,636.02, 194,454.91 and 36,142.58

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Solution

The fourth proportional to 129,636.02, 194,454.91 and 36,142.58 is: 54,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,636.02 : 194,454.91 = 36,142.58 : x
  2. Step 2: Convert to fraction form
    129,636.02/194,454.91 = 36,142.58/x
  3. Step 3: Cross multiply
    129,636.02x = 194,454.91 × 36,142.58
  4. Step 4: Simplify right side
    129,636.02x = 7,028,102,141.07
  5. Step 5: Solve for x
    x = 7,028,102,141.07/129,636.02
  6. Step 6: Final answer
    x = 54,214.12

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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.