Home / 122,338.80-183,464.13-42,355.05

Finding the Fourth Proportional to 122,338.80, 183,464.13 and 42,355.05

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Solution

The fourth proportional to 122,338.80, 183,464.13 and 42,355.05 is: 63,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,338.80 : 183,464.13 = 42,355.05 : x
  2. Step 2: Convert to fraction form
    122,338.80/183,464.13 = 42,355.05/x
  3. Step 3: Cross multiply
    122,338.80x = 183,464.13 × 42,355.05
  4. Step 4: Simplify right side
    122,338.80x = 7,770,632,399.36
  5. Step 5: Solve for x
    x = 7,770,632,399.36/122,338.80
  6. Step 6: Final answer
    x = 63,517.32

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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.