Home / 175,399.72-263,076.78-70,219.72

Finding the Fourth Proportional to 175,399.72, 263,076.78 and 70,219.72

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Solution

The fourth proportional to 175,399.72, 263,076.78 and 70,219.72 is: 105,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,399.72 : 263,076.78 = 70,219.72 : x
  2. Step 2: Convert to fraction form
    175,399.72/263,076.78 = 70,219.72/x
  3. Step 3: Cross multiply
    175,399.72x = 263,076.78 × 70,219.72
  4. Step 4: Simplify right side
    175,399.72x = 18,473,177,830.10
  5. Step 5: Solve for x
    x = 18,473,177,830.10/175,399.72
  6. Step 6: Final answer
    x = 105,320.45

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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.