Home / 203,502.50-280,833.45-112,872.35

Finding the Fourth Proportional to 203,502.50, 280,833.45 and 112,872.35

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Solution

The fourth proportional to 203,502.50, 280,833.45 and 112,872.35 is: 155,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,502.50 : 280,833.45 = 112,872.35 : x
  2. Step 2: Convert to fraction form
    203,502.50/280,833.45 = 112,872.35/x
  3. Step 3: Cross multiply
    203,502.50x = 280,833.45 × 112,872.35
  4. Step 4: Simplify right side
    203,502.50x = 31,698,330,055.94
  5. Step 5: Solve for x
    x = 31,698,330,055.94/203,502.50
  6. Step 6: Final answer
    x = 155,763.84

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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.