Home / 126,249.39-189,409.65-42,017.10

Finding the Fourth Proportional to 126,249.39, 189,409.65 and 42,017.10

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Solution

The fourth proportional to 126,249.39, 189,409.65 and 42,017.10 is: 63,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.39 : 189,409.65 = 42,017.10 : x
  2. Step 2: Convert to fraction form
    126,249.39/189,409.65 = 42,017.10/x
  3. Step 3: Cross multiply
    126,249.39x = 189,409.65 × 42,017.10
  4. Step 4: Simplify right side
    126,249.39x = 7,958,444,205.02
  5. Step 5: Solve for x
    x = 7,958,444,205.02/126,249.39
  6. Step 6: Final answer
    x = 63,037.49

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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.