Home / 194,979.56-292,469.36-70,320.56

Finding the Fourth Proportional to 194,979.56, 292,469.36 and 70,320.56

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Solution

The fourth proportional to 194,979.56, 292,469.36 and 70,320.56 is: 105,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,979.56 : 292,469.36 = 70,320.56 : x
  2. Step 2: Convert to fraction form
    194,979.56/292,469.36 = 70,320.56/x
  3. Step 3: Cross multiply
    194,979.56x = 292,469.36 × 70,320.56
  4. Step 4: Simplify right side
    194,979.56x = 20,566,609,178.04
  5. Step 5: Solve for x
    x = 20,566,609,178.04/194,979.56
  6. Step 6: Final answer
    x = 105,480.85

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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.