Home / 203,322.06-280,586.06-112,679.50

Finding the Fourth Proportional to 203,322.06, 280,586.06 and 112,679.50

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Solution

The fourth proportional to 203,322.06, 280,586.06 and 112,679.50 is: 155,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,322.06 : 280,586.06 = 112,679.50 : x
  2. Step 2: Convert to fraction form
    203,322.06/280,586.06 = 112,679.50/x
  3. Step 3: Cross multiply
    203,322.06x = 280,586.06 × 112,679.50
  4. Step 4: Simplify right side
    203,322.06x = 31,616,296,947.77
  5. Step 5: Solve for x
    x = 31,616,296,947.77/203,322.06
  6. Step 6: Final answer
    x = 155,498.61

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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.