Home / 203,236.74-280,455.48-112,585.50

Finding the Fourth Proportional to 203,236.74, 280,455.48 and 112,585.50

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Solution

The fourth proportional to 203,236.74, 280,455.48 and 112,585.50 is: 155,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,236.74 : 280,455.48 = 112,585.50 : x
  2. Step 2: Convert to fraction form
    203,236.74/280,455.48 = 112,585.50/x
  3. Step 3: Cross multiply
    203,236.74x = 280,455.48 × 112,585.50
  4. Step 4: Simplify right side
    203,236.74x = 31,575,220,443.54
  5. Step 5: Solve for x
    x = 31,575,220,443.54/203,236.74
  6. Step 6: Final answer
    x = 155,361.77

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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.