Home / 133,106.27-183,659.90-84,727.67

Finding the Fourth Proportional to 133,106.27, 183,659.90 and 84,727.67

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Solution

The fourth proportional to 133,106.27, 183,659.90 and 84,727.67 is: 116,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,106.27 : 183,659.90 = 84,727.67 : x
  2. Step 2: Convert to fraction form
    133,106.27/183,659.90 = 84,727.67/x
  3. Step 3: Cross multiply
    133,106.27x = 183,659.90 × 84,727.67
  4. Step 4: Simplify right side
    133,106.27x = 15,561,074,057.50
  5. Step 5: Solve for x
    x = 15,561,074,057.50/133,106.27
  6. Step 6: Final answer
    x = 116,907.15

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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.