Home / 203,010.53-280,147.38-112,366.67

Finding the Fourth Proportional to 203,010.53, 280,147.38 and 112,366.67

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Solution

The fourth proportional to 203,010.53, 280,147.38 and 112,366.67 is: 155,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,010.53 : 280,147.38 = 112,366.67 : x
  2. Step 2: Convert to fraction form
    203,010.53/280,147.38 = 112,366.67/x
  3. Step 3: Cross multiply
    203,010.53x = 280,147.38 × 112,366.67
  4. Step 4: Simplify right side
    203,010.53x = 31,479,228,199.82
  5. Step 5: Solve for x
    x = 31,479,228,199.82/203,010.53
  6. Step 6: Final answer
    x = 155,062.05

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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.