Home / 203,701.55-281,141.93-118,818.63

Finding the Fourth Proportional to 203,701.55, 281,141.93 and 118,818.63

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Solution

The fourth proportional to 203,701.55, 281,141.93 and 118,818.63 is: 163,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,701.55 : 281,141.93 = 118,818.63 : x
  2. Step 2: Convert to fraction form
    203,701.55/281,141.93 = 118,818.63/x
  3. Step 3: Cross multiply
    203,701.55x = 281,141.93 × 118,818.63
  4. Step 4: Simplify right side
    203,701.55x = 33,404,899,255.20
  5. Step 5: Solve for x
    x = 33,404,899,255.20/203,701.55
  6. Step 6: Final answer
    x = 163,989.43

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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.