Home / 84,556.84-126,836.50-40,188.12

Finding the Fourth Proportional to 84,556.84, 126,836.50 and 40,188.12

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Solution

The fourth proportional to 84,556.84, 126,836.50 and 40,188.12 is: 60,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,556.84 : 126,836.50 = 40,188.12 : x
  2. Step 2: Convert to fraction form
    84,556.84/126,836.50 = 40,188.12/x
  3. Step 3: Cross multiply
    84,556.84x = 126,836.50 × 40,188.12
  4. Step 4: Simplify right side
    84,556.84x = 5,097,320,482.38
  5. Step 5: Solve for x
    x = 5,097,320,482.38/84,556.84
  6. Step 6: Final answer
    x = 60,282.77

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1.5x scale

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.