Home / 144,637.64-199,576.20-90,884.60

Finding the Fourth Proportional to 144,637.64, 199,576.20 and 90,884.60

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Solution

The fourth proportional to 144,637.64, 199,576.20 and 90,884.60 is: 125,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,637.64 : 199,576.20 = 90,884.60 : x
  2. Step 2: Convert to fraction form
    144,637.64/199,576.20 = 90,884.60/x
  3. Step 3: Cross multiply
    144,637.64x = 199,576.20 × 90,884.60
  4. Step 4: Simplify right side
    144,637.64x = 18,138,403,106.52
  5. Step 5: Solve for x
    x = 18,138,403,106.52/144,637.64
  6. Step 6: Final answer
    x = 125,405.83

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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.