Home / 146,046.30-218,907.45-57,270.30

Finding the Fourth Proportional to 146,046.30, 218,907.45 and 57,270.30

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Solution

The fourth proportional to 146,046.30, 218,907.45 and 57,270.30 is: 85,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,046.30 : 218,907.45 = 57,270.30 : x
  2. Step 2: Convert to fraction form
    146,046.30/218,907.45 = 57,270.30/x
  3. Step 3: Cross multiply
    146,046.30x = 218,907.45 × 57,270.30
  4. Step 4: Simplify right side
    146,046.30x = 12,536,895,333.74
  5. Step 5: Solve for x
    x = 12,536,895,333.74/146,046.30
  6. Step 6: Final answer
    x = 85,841.92

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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.