Home / 148,363.14-204,740.87-80,381.84

Finding the Fourth Proportional to 148,363.14, 204,740.87 and 80,381.84

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Solution

The fourth proportional to 148,363.14, 204,740.87 and 80,381.84 is: 110,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,363.14 : 204,740.87 = 80,381.84 : x
  2. Step 2: Convert to fraction form
    148,363.14/204,740.87 = 80,381.84/x
  3. Step 3: Cross multiply
    148,363.14x = 204,740.87 × 80,381.84
  4. Step 4: Simplify right side
    148,363.14x = 16,457,448,155.69
  5. Step 5: Solve for x
    x = 16,457,448,155.69/148,363.14
  6. Step 6: Final answer
    x = 110,926.80

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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.