Home / 203,426.52-280,757.66-112,802.64

Finding the Fourth Proportional to 203,426.52, 280,757.66 and 112,802.64

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Solution

The fourth proportional to 203,426.52, 280,757.66 and 112,802.64 is: 155,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,426.52 : 280,757.66 = 112,802.64 : x
  2. Step 2: Convert to fraction form
    203,426.52/280,757.66 = 112,802.64/x
  3. Step 3: Cross multiply
    203,426.52x = 280,757.66 × 112,802.64
  4. Step 4: Simplify right side
    203,426.52x = 31,670,205,248.22
  5. Step 5: Solve for x
    x = 31,670,205,248.22/203,426.52
  6. Step 6: Final answer
    x = 155,683.76

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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.