Home / 102,888.20-141,991.24-57,563.48

Finding the Fourth Proportional to 102,888.20, 141,991.24 and 57,563.48

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Solution

The fourth proportional to 102,888.20, 141,991.24 and 57,563.48 is: 79,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,888.20 : 141,991.24 = 57,563.48 : x
  2. Step 2: Convert to fraction form
    102,888.20/141,991.24 = 57,563.48/x
  3. Step 3: Cross multiply
    102,888.20x = 141,991.24 × 57,563.48
  4. Step 4: Simplify right side
    102,888.20x = 8,173,509,903.92
  5. Step 5: Solve for x
    x = 8,173,509,903.92/102,888.20
  6. Step 6: Final answer
    x = 79,440.69

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1.5x scale

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.