Home / 120,884.92-181,361.40-42,007.12

Finding the Fourth Proportional to 120,884.92, 181,361.40 and 42,007.12

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Solution

The fourth proportional to 120,884.92, 181,361.40 and 42,007.12 is: 63,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,884.92 : 181,361.40 = 42,007.12 : x
  2. Step 2: Convert to fraction form
    120,884.92/181,361.40 = 42,007.12/x
  3. Step 3: Cross multiply
    120,884.92x = 181,361.40 × 42,007.12
  4. Step 4: Simplify right side
    120,884.92x = 7,618,470,093.17
  5. Step 5: Solve for x
    x = 7,618,470,093.17/120,884.92
  6. Step 6: Final answer
    x = 63,022.50

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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.