Home / 118,268.77-177,431.40-39,383.68

Finding the Fourth Proportional to 118,268.77, 177,431.40 and 39,383.68

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Solution

The fourth proportional to 118,268.77, 177,431.40 and 39,383.68 is: 59,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,268.77 : 177,431.40 = 39,383.68 : x
  2. Step 2: Convert to fraction form
    118,268.77/177,431.40 = 39,383.68/x
  3. Step 3: Cross multiply
    118,268.77x = 177,431.40 × 39,383.68
  4. Step 4: Simplify right side
    118,268.77x = 6,987,901,479.55
  5. Step 5: Solve for x
    x = 6,987,901,479.55/118,268.77
  6. Step 6: Final answer
    x = 59,084.93

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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.