Home / 126,165.54-189,249.02-37,419.71

Finding the Fourth Proportional to 126,165.54, 189,249.02 and 37,419.71

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Solution

The fourth proportional to 126,165.54, 189,249.02 and 37,419.71 is: 56,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,165.54 : 189,249.02 = 37,419.71 : x
  2. Step 2: Convert to fraction form
    126,165.54/189,249.02 = 37,419.71/x
  3. Step 3: Cross multiply
    126,165.54x = 189,249.02 × 37,419.71
  4. Step 4: Simplify right side
    126,165.54x = 7,081,643,259.09
  5. Step 5: Solve for x
    x = 7,081,643,259.09/126,165.54
  6. Step 6: Final answer
    x = 56,129.77

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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.