Home / 159,485.31-220,044.06-94,900.57

Finding the Fourth Proportional to 159,485.31, 220,044.06 and 94,900.57

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Solution

The fourth proportional to 159,485.31, 220,044.06 and 94,900.57 is: 130,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,485.31 : 220,044.06 = 94,900.57 : x
  2. Step 2: Convert to fraction form
    159,485.31/220,044.06 = 94,900.57/x
  3. Step 3: Cross multiply
    159,485.31x = 220,044.06 × 94,900.57
  4. Step 4: Simplify right side
    159,485.31x = 20,882,306,169.00
  5. Step 5: Solve for x
    x = 20,882,306,169.00/159,485.31
  6. Step 6: Final answer
    x = 130,935.61

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1.5x scale

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.