Home / 174,684.15-261,839.40-90,359.46

Finding the Fourth Proportional to 174,684.15, 261,839.40 and 90,359.46

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Solution

The fourth proportional to 174,684.15, 261,839.40 and 90,359.46 is: 135,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,684.15 : 261,839.40 = 90,359.46 : x
  2. Step 2: Convert to fraction form
    174,684.15/261,839.40 = 90,359.46/x
  3. Step 3: Cross multiply
    174,684.15x = 261,839.40 × 90,359.46
  4. Step 4: Simplify right side
    174,684.15x = 23,659,666,790.72
  5. Step 5: Solve for x
    x = 23,659,666,790.72/174,684.15
  6. Step 6: Final answer
    x = 135,442.55

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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.