Home / 185,711.10-278,639.55-73,372.20

Finding the Fourth Proportional to 185,711.10, 278,639.55 and 73,372.20

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Solution

The fourth proportional to 185,711.10, 278,639.55 and 73,372.20 is: 110,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,711.10 : 278,639.55 = 73,372.20 : x
  2. Step 2: Convert to fraction form
    185,711.10/278,639.55 = 73,372.20/x
  3. Step 3: Cross multiply
    185,711.10x = 278,639.55 × 73,372.20
  4. Step 4: Simplify right side
    185,711.10x = 20,444,396,790.51
  5. Step 5: Solve for x
    x = 20,444,396,790.51/185,711.10
  6. Step 6: Final answer
    x = 110,087.10

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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.