Home / 102,855.54-141,955.74-62,561.48

Finding the Fourth Proportional to 102,855.54, 141,955.74 and 62,561.48

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Solution

The fourth proportional to 102,855.54, 141,955.74 and 62,561.48 is: 86,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,855.54 : 141,955.74 = 62,561.48 : x
  2. Step 2: Convert to fraction form
    102,855.54/141,955.74 = 62,561.48/x
  3. Step 3: Cross multiply
    102,855.54x = 141,955.74 × 62,561.48
  4. Step 4: Simplify right side
    102,855.54x = 8,880,961,188.90
  5. Step 5: Solve for x
    x = 8,880,961,188.90/102,855.54
  6. Step 6: Final answer
    x = 86,344.02

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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.