Home / 148,285.60-222,417.30-53,515.78

Finding the Fourth Proportional to 148,285.60, 222,417.30 and 53,515.78

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Solution

The fourth proportional to 148,285.60, 222,417.30 and 53,515.78 is: 80,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,285.60 : 222,417.30 = 53,515.78 : x
  2. Step 2: Convert to fraction form
    148,285.60/222,417.30 = 53,515.78/x
  3. Step 3: Cross multiply
    148,285.60x = 222,417.30 × 53,515.78
  4. Step 4: Simplify right side
    148,285.60x = 11,902,835,294.99
  5. Step 5: Solve for x
    x = 11,902,835,294.99/148,285.60
  6. Step 6: Final answer
    x = 80,269.66

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1.5x scale

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.