Home / 102,723.84-141,744-60,272.64

Finding the Fourth Proportional to 102,723.84, 141,744 and 60,272.64

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Solution

The fourth proportional to 102,723.84, 141,744 and 60,272.64 is: 83,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,723.84 : 141,744 = 60,272.64 : x
  2. Step 2: Convert to fraction form
    102,723.84/141,744 = 60,272.64/x
  3. Step 3: Cross multiply
    102,723.84x = 141,744 × 60,272.64
  4. Step 4: Simplify right side
    102,723.84x = 8,543,285,084.16
  5. Step 5: Solve for x
    x = 8,543,285,084.16/102,723.84
  6. Step 6: Final answer
    x = 83,167.50

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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.