Home / 90,009.08-134,975.13-30,850.73

Finding the Fourth Proportional to 90,009.08, 134,975.13 and 30,850.73

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Solution

The fourth proportional to 90,009.08, 134,975.13 and 30,850.73 is: 46,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,009.08 : 134,975.13 = 30,850.73 : x
  2. Step 2: Convert to fraction form
    90,009.08/134,975.13 = 30,850.73/x
  3. Step 3: Cross multiply
    90,009.08x = 134,975.13 × 30,850.73
  4. Step 4: Simplify right side
    90,009.08x = 4,164,080,617.47
  5. Step 5: Solve for x
    x = 4,164,080,617.47/90,009.08
  6. Step 6: Final answer
    x = 46,262.90

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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.