Home / 203,715.60-281,124.75-113,071.32

Finding the Fourth Proportional to 203,715.60, 281,124.75 and 113,071.32

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Solution

The fourth proportional to 203,715.60, 281,124.75 and 113,071.32 is: 156,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,715.60 : 281,124.75 = 113,071.32 : x
  2. Step 2: Convert to fraction form
    203,715.60/281,124.75 = 113,071.32/x
  3. Step 3: Cross multiply
    203,715.60x = 281,124.75 × 113,071.32
  4. Step 4: Simplify right side
    203,715.60x = 31,787,146,567.17
  5. Step 5: Solve for x
    x = 31,787,146,567.17/203,715.60
  6. Step 6: Final answer
    x = 156,036.88

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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.