Home / 148,285.66-204,633.90-80,302.62

Finding the Fourth Proportional to 148,285.66, 204,633.90 and 80,302.62

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Solution

The fourth proportional to 148,285.66, 204,633.90 and 80,302.62 is: 110,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,285.66 : 204,633.90 = 80,302.62 : x
  2. Step 2: Convert to fraction form
    148,285.66/204,633.90 = 80,302.62/x
  3. Step 3: Cross multiply
    148,285.66x = 204,633.90 × 80,302.62
  4. Step 4: Simplify right side
    148,285.66x = 16,432,638,310.82
  5. Step 5: Solve for x
    x = 16,432,638,310.82/148,285.66
  6. Step 6: Final answer
    x = 110,817.45

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1.5x scale

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.