Home / 126,285.66-189,459.68-37,538.78

Finding the Fourth Proportional to 126,285.66, 189,459.68 and 37,538.78

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Solution

The fourth proportional to 126,285.66, 189,459.68 and 37,538.78 is: 56,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,285.66 : 189,459.68 = 37,538.78 : x
  2. Step 2: Convert to fraction form
    126,285.66/189,459.68 = 37,538.78/x
  3. Step 3: Cross multiply
    126,285.66x = 189,459.68 × 37,538.78
  4. Step 4: Simplify right side
    126,285.66x = 7,112,085,246.39
  5. Step 5: Solve for x
    x = 7,112,085,246.39/126,285.66
  6. Step 6: Final answer
    x = 56,317.44

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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.