Home / 150,077.07-207,098.58-82,080.81

Finding the Fourth Proportional to 150,077.07, 207,098.58 and 82,080.81

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Solution

The fourth proportional to 150,077.07, 207,098.58 and 82,080.81 is: 113,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,077.07 : 207,098.58 = 82,080.81 : x
  2. Step 2: Convert to fraction form
    150,077.07/207,098.58 = 82,080.81/x
  3. Step 3: Cross multiply
    150,077.07x = 207,098.58 × 82,080.81
  4. Step 4: Simplify right side
    150,077.07x = 16,998,819,196.25
  5. Step 5: Solve for x
    x = 16,998,819,196.25/150,077.07
  6. Step 6: Final answer
    x = 113,267.26

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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.