Home / 146,231.40-219,347.10-57,487.80

Finding the Fourth Proportional to 146,231.40, 219,347.10 and 57,487.80

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Solution

The fourth proportional to 146,231.40, 219,347.10 and 57,487.80 is: 86,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,231.40 : 219,347.10 = 57,487.80 : x
  2. Step 2: Convert to fraction form
    146,231.40/219,347.10 = 57,487.80/x
  3. Step 3: Cross multiply
    146,231.40x = 219,347.10 × 57,487.80
  4. Step 4: Simplify right side
    146,231.40x = 12,609,782,215.38
  5. Step 5: Solve for x
    x = 12,609,782,215.38/146,231.40
  6. Step 6: Final answer
    x = 86,231.70

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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.