Home / 194,318.52-291,434.04-126,829.32

Finding the Fourth Proportional to 194,318.52, 291,434.04 and 126,829.32

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Solution

The fourth proportional to 194,318.52, 291,434.04 and 126,829.32 is: 190,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,318.52 : 291,434.04 = 126,829.32 : x
  2. Step 2: Convert to fraction form
    194,318.52/291,434.04 = 126,829.32/x
  3. Step 3: Cross multiply
    194,318.52x = 291,434.04 × 126,829.32
  4. Step 4: Simplify right side
    194,318.52x = 36,962,381,118.05
  5. Step 5: Solve for x
    x = 36,962,381,118.05/194,318.52
  6. Step 6: Final answer
    x = 190,215.43

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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.