Home / 189,053.15-283,697.97-76,733.37

Finding the Fourth Proportional to 189,053.15, 283,697.97 and 76,733.37

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Solution

The fourth proportional to 189,053.15, 283,697.97 and 76,733.37 is: 115,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,053.15 : 283,697.97 = 76,733.37 : x
  2. Step 2: Convert to fraction form
    189,053.15/283,697.97 = 76,733.37/x
  3. Step 3: Cross multiply
    189,053.15x = 283,697.97 × 76,733.37
  4. Step 4: Simplify right side
    189,053.15x = 21,769,101,300.26
  5. Step 5: Solve for x
    x = 21,769,101,300.26/189,053.15
  6. Step 6: Final answer
    x = 115,148.05

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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.