Home / 129,550.32-194,307.03-40,801.52

Finding the Fourth Proportional to 129,550.32, 194,307.03 and 40,801.52

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Solution

The fourth proportional to 129,550.32, 194,307.03 and 40,801.52 is: 61,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,550.32 : 194,307.03 = 40,801.52 : x
  2. Step 2: Convert to fraction form
    129,550.32/194,307.03 = 40,801.52/x
  3. Step 3: Cross multiply
    129,550.32x = 194,307.03 × 40,801.52
  4. Step 4: Simplify right side
    129,550.32x = 7,928,022,656.45
  5. Step 5: Solve for x
    x = 7,928,022,656.45/129,550.32
  6. Step 6: Final answer
    x = 61,196.47

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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.