Home / 203,427.52-280,759.04-112,803.64

Finding the Fourth Proportional to 203,427.52, 280,759.04 and 112,803.64

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Solution

The fourth proportional to 203,427.52, 280,759.04 and 112,803.64 is: 155,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,427.52 : 280,759.04 = 112,803.64 : x
  2. Step 2: Convert to fraction form
    203,427.52/280,759.04 = 112,803.64/x
  3. Step 3: Cross multiply
    203,427.52x = 280,759.04 × 112,803.64
  4. Step 4: Simplify right side
    203,427.52x = 31,670,641,674.91
  5. Step 5: Solve for x
    x = 31,670,641,674.91/203,427.52
  6. Step 6: Final answer
    x = 155,685.14

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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.