Home / 189,942.24-262,172.12-118,279.92

Finding the Fourth Proportional to 189,942.24, 262,172.12 and 118,279.92

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Solution

The fourth proportional to 189,942.24, 262,172.12 and 118,279.92 is: 163,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,942.24 : 262,172.12 = 118,279.92 : x
  2. Step 2: Convert to fraction form
    189,942.24/262,172.12 = 118,279.92/x
  3. Step 3: Cross multiply
    189,942.24x = 262,172.12 × 118,279.92
  4. Step 4: Simplify right side
    189,942.24x = 31,009,696,788.43
  5. Step 5: Solve for x
    x = 31,009,696,788.43/189,942.24
  6. Step 6: Final answer
    x = 163,258.56

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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.