Home / 148,308.29-204,664.39-80,323.70

Finding the Fourth Proportional to 148,308.29, 204,664.39 and 80,323.70

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Solution

The fourth proportional to 148,308.29, 204,664.39 and 80,323.70 is: 110,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,308.29 : 204,664.39 = 80,323.70 : x
  2. Step 2: Convert to fraction form
    148,308.29/204,664.39 = 80,323.70/x
  3. Step 3: Cross multiply
    148,308.29x = 204,664.39 × 80,323.70
  4. Step 4: Simplify right side
    148,308.29x = 16,439,401,063.04
  5. Step 5: Solve for x
    x = 16,439,401,063.04/148,308.29
  6. Step 6: Final answer
    x = 110,846.14

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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.