Home / 203,957.85-281,440.18-117,903.21

Finding the Fourth Proportional to 203,957.85, 281,440.18 and 117,903.21

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Solution

The fourth proportional to 203,957.85, 281,440.18 and 117,903.21 is: 162,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,957.85 : 281,440.18 = 117,903.21 : x
  2. Step 2: Convert to fraction form
    203,957.85/281,440.18 = 117,903.21/x
  3. Step 3: Cross multiply
    203,957.85x = 281,440.18 × 117,903.21
  4. Step 4: Simplify right side
    203,957.85x = 33,182,700,644.98
  5. Step 5: Solve for x
    x = 33,182,700,644.98/203,957.85
  6. Step 6: Final answer
    x = 162,693.91

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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.