Home / 148,310.67-204,669.36-80,328.45

Finding the Fourth Proportional to 148,310.67, 204,669.36 and 80,328.45

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Solution

The fourth proportional to 148,310.67, 204,669.36 and 80,328.45 is: 110,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,310.67 : 204,669.36 = 80,328.45 : x
  2. Step 2: Convert to fraction form
    148,310.67/204,669.36 = 80,328.45/x
  3. Step 3: Cross multiply
    148,310.67x = 204,669.36 × 80,328.45
  4. Step 4: Simplify right side
    148,310.67x = 16,440,772,451.29
  5. Step 5: Solve for x
    x = 16,440,772,451.29/148,310.67
  6. Step 6: Final answer
    x = 110,853.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.