Home / 202,513.40-303,332.70-108,909.80

Finding the Fourth Proportional to 202,513.40, 303,332.70 and 108,909.80

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Solution

The fourth proportional to 202,513.40, 303,332.70 and 108,909.80 is: 163,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,513.40 : 303,332.70 = 108,909.80 : x
  2. Step 2: Convert to fraction form
    202,513.40/303,332.70 = 108,909.80/x
  3. Step 3: Cross multiply
    202,513.40x = 303,332.70 × 108,909.80
  4. Step 4: Simplify right side
    202,513.40x = 33,035,903,690.46
  5. Step 5: Solve for x
    x = 33,035,903,690.46/202,513.40
  6. Step 6: Final answer
    x = 163,129.47

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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.