Home / 201,460.08-278,021.52-110,823

Finding the Fourth Proportional to 201,460.08, 278,021.52 and 110,823

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Solution

The fourth proportional to 201,460.08, 278,021.52 and 110,823 is: 152,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,460.08 : 278,021.52 = 110,823 : x
  2. Step 2: Convert to fraction form
    201,460.08/278,021.52 = 110,823/x
  3. Step 3: Cross multiply
    201,460.08x = 278,021.52 × 110,823
  4. Step 4: Simplify right side
    201,460.08x = 30,811,178,910.96
  5. Step 5: Solve for x
    x = 30,811,178,910.96/201,460.08
  6. Step 6: Final answer
    x = 152,939.38

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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.