Home / 68,232.09-102,363.72-20,853.93

Finding the Fourth Proportional to 68,232.09, 102,363.72 and 20,853.93

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Solution

The fourth proportional to 68,232.09, 102,363.72 and 20,853.93 is: 31,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,232.09 : 102,363.72 = 20,853.93 : x
  2. Step 2: Convert to fraction form
    68,232.09/102,363.72 = 20,853.93/x
  3. Step 3: Cross multiply
    68,232.09x = 102,363.72 × 20,853.93
  4. Step 4: Simplify right side
    68,232.09x = 2,134,685,851.42
  5. Step 5: Solve for x
    x = 2,134,685,851.42/68,232.09
  6. Step 6: Final answer
    x = 31,285.66

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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.