Home / 146,018.12-219,028.92-57,313.40

Finding the Fourth Proportional to 146,018.12, 219,028.92 and 57,313.40

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Solution

The fourth proportional to 146,018.12, 219,028.92 and 57,313.40 is: 85,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,018.12 : 219,028.92 = 57,313.40 : x
  2. Step 2: Convert to fraction form
    146,018.12/219,028.92 = 57,313.40/x
  3. Step 3: Cross multiply
    146,018.12x = 219,028.92 × 57,313.40
  4. Step 4: Simplify right side
    146,018.12x = 12,553,292,103.53
  5. Step 5: Solve for x
    x = 12,553,292,103.53/146,018.12
  6. Step 6: Final answer
    x = 85,970.78

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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.