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Finding the Fourth Proportional to 159,330.20, 238,940.22 and 70,645.73

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Solution

The fourth proportional to 159,330.20, 238,940.22 and 70,645.73 is: 105,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,330.20 : 238,940.22 = 70,645.73 : x
  2. Step 2: Convert to fraction form
    159,330.20/238,940.22 = 70,645.73/x
  3. Step 3: Cross multiply
    159,330.20x = 238,940.22 × 70,645.73
  4. Step 4: Simplify right side
    159,330.20x = 16,880,106,268.26
  5. Step 5: Solve for x
    x = 16,880,106,268.26/159,330.20
  6. Step 6: Final answer
    x = 105,944.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.