Home / 170,156.48-255,234.78-70,206.86

Finding the Fourth Proportional to 170,156.48, 255,234.78 and 70,206.86

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Solution

The fourth proportional to 170,156.48, 255,234.78 and 70,206.86 is: 105,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,156.48 : 255,234.78 = 70,206.86 : x
  2. Step 2: Convert to fraction form
    170,156.48/255,234.78 = 70,206.86/x
  3. Step 3: Cross multiply
    170,156.48x = 255,234.78 × 70,206.86
  4. Step 4: Simplify right side
    170,156.48x = 17,919,232,466.59
  5. Step 5: Solve for x
    x = 17,919,232,466.59/170,156.48
  6. Step 6: Final answer
    x = 105,310.31

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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.