Home / 168,632.20-253,385.70-149,386.60

Finding the Fourth Proportional to 168,632.20, 253,385.70 and 149,386.60

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Solution

The fourth proportional to 168,632.20, 253,385.70 and 149,386.60 is: 224,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,632.20 : 253,385.70 = 149,386.60 : x
  2. Step 2: Convert to fraction form
    168,632.20/253,385.70 = 149,386.60/x
  3. Step 3: Cross multiply
    168,632.20x = 253,385.70 × 149,386.60
  4. Step 4: Simplify right side
    168,632.20x = 37,852,428,211.62
  5. Step 5: Solve for x
    x = 37,852,428,211.62/168,632.20
  6. Step 6: Final answer
    x = 224,467.38

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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.