Home / 203,031.28-280,213.17-116,973.86

Finding the Fourth Proportional to 203,031.28, 280,213.17 and 116,973.86

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Solution

The fourth proportional to 203,031.28, 280,213.17 and 116,973.86 is: 161,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,031.28 : 280,213.17 = 116,973.86 : x
  2. Step 2: Convert to fraction form
    203,031.28/280,213.17 = 116,973.86/x
  3. Step 3: Cross multiply
    203,031.28x = 280,213.17 × 116,973.86
  4. Step 4: Simplify right side
    203,031.28x = 32,777,616,117.74
  5. Step 5: Solve for x
    x = 32,777,616,117.74/203,031.28
  6. Step 6: Final answer
    x = 161,441.21

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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.