Home / 102,887.75-141,990.61-57,563.03

Finding the Fourth Proportional to 102,887.75, 141,990.61 and 57,563.03

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Solution

The fourth proportional to 102,887.75, 141,990.61 and 57,563.03 is: 79,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,887.75 : 141,990.61 = 57,563.03 : x
  2. Step 2: Convert to fraction form
    102,887.75/141,990.61 = 57,563.03/x
  3. Step 3: Cross multiply
    102,887.75x = 141,990.61 × 57,563.03
  4. Step 4: Simplify right side
    102,887.75x = 8,173,409,743.15
  5. Step 5: Solve for x
    x = 8,173,409,743.15/102,887.75
  6. Step 6: Final answer
    x = 79,440.07

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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.