Home / 148,108.87-204,389.40-80,125.66

Finding the Fourth Proportional to 148,108.87, 204,389.40 and 80,125.66

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Solution

The fourth proportional to 148,108.87, 204,389.40 and 80,125.66 is: 110,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,108.87 : 204,389.40 = 80,125.66 : x
  2. Step 2: Convert to fraction form
    148,108.87/204,389.40 = 80,125.66/x
  3. Step 3: Cross multiply
    148,108.87x = 204,389.40 × 80,125.66
  4. Step 4: Simplify right side
    148,108.87x = 16,376,835,572.00
  5. Step 5: Solve for x
    x = 16,376,835,572.00/148,108.87
  6. Step 6: Final answer
    x = 110,572.96

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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.