Home / 203,303.14-280,559.98-112,660.61

Finding the Fourth Proportional to 203,303.14, 280,559.98 and 112,660.61

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Solution

The fourth proportional to 203,303.14, 280,559.98 and 112,660.61 is: 155,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,303.14 : 280,559.98 = 112,660.61 : x
  2. Step 2: Convert to fraction form
    203,303.14/280,559.98 = 112,660.61/x
  3. Step 3: Cross multiply
    203,303.14x = 280,559.98 × 112,660.61
  4. Step 4: Simplify right side
    203,303.14x = 31,608,058,908.14
  5. Step 5: Solve for x
    x = 31,608,058,908.14/203,303.14
  6. Step 6: Final answer
    x = 155,472.56

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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.