Home / 129,746.08-194,615.52-36,249.28

Finding the Fourth Proportional to 129,746.08, 194,615.52 and 36,249.28

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Solution

The fourth proportional to 129,746.08, 194,615.52 and 36,249.28 is: 54,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,746.08 : 194,615.52 = 36,249.28 : x
  2. Step 2: Convert to fraction form
    129,746.08/194,615.52 = 36,249.28/x
  3. Step 3: Cross multiply
    129,746.08x = 194,615.52 × 36,249.28
  4. Step 4: Simplify right side
    129,746.08x = 7,054,672,476.83
  5. Step 5: Solve for x
    x = 7,054,672,476.83/129,746.08
  6. Step 6: Final answer
    x = 54,372.91

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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.