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Finding the Fourth Proportional to 129,992.42, 194,987.73 and 36,498.26

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Solution

The fourth proportional to 129,992.42, 194,987.73 and 36,498.26 is: 54,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,992.42 : 194,987.73 = 36,498.26 : x
  2. Step 2: Convert to fraction form
    129,992.42/194,987.73 = 36,498.26/x
  3. Step 3: Cross multiply
    129,992.42x = 194,987.73 × 36,498.26
  4. Step 4: Simplify right side
    129,992.42x = 7,116,712,866.35
  5. Step 5: Solve for x
    x = 7,116,712,866.35/129,992.42
  6. Step 6: Final answer
    x = 54,747.14

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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.