Home / 68,009.27-102,013.75-18,089.40

Finding the Fourth Proportional to 68,009.27, 102,013.75 and 18,089.40

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Solution

The fourth proportional to 68,009.27, 102,013.75 and 18,089.40 is: 27,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.27 : 102,013.75 = 18,089.40 : x
  2. Step 2: Convert to fraction form
    68,009.27/102,013.75 = 18,089.40/x
  3. Step 3: Cross multiply
    68,009.27x = 102,013.75 × 18,089.40
  4. Step 4: Simplify right side
    68,009.27x = 1,845,367,698.38
  5. Step 5: Solve for x
    x = 1,845,367,698.38/68,009.27
  6. Step 6: Final answer
    x = 27,134.06

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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.