Home / 189,628.76-284,216.34-88,290.20

Finding the Fourth Proportional to 189,628.76, 284,216.34 and 88,290.20

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Solution

The fourth proportional to 189,628.76, 284,216.34 and 88,290.20 is: 132,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,628.76 : 284,216.34 = 88,290.20 : x
  2. Step 2: Convert to fraction form
    189,628.76/284,216.34 = 88,290.20/x
  3. Step 3: Cross multiply
    189,628.76x = 284,216.34 × 88,290.20
  4. Step 4: Simplify right side
    189,628.76x = 25,093,517,501.87
  5. Step 5: Solve for x
    x = 25,093,517,501.87/189,628.76
  6. Step 6: Final answer
    x = 132,329.70

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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.