Home / 202,289.40-303,543.45-89,986.95

Finding the Fourth Proportional to 202,289.40, 303,543.45 and 89,986.95

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Solution

The fourth proportional to 202,289.40, 303,543.45 and 89,986.95 is: 135,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,289.40 : 303,543.45 = 89,986.95 : x
  2. Step 2: Convert to fraction form
    202,289.40/303,543.45 = 89,986.95/x
  3. Step 3: Cross multiply
    202,289.40x = 303,543.45 × 89,986.95
  4. Step 4: Simplify right side
    202,289.40x = 27,314,949,257.98
  5. Step 5: Solve for x
    x = 27,314,949,257.98/202,289.40
  6. Step 6: Final answer
    x = 135,029.07

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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.