Home / 185,611.10-278,489.55-73,272.20

Finding the Fourth Proportional to 185,611.10, 278,489.55 and 73,272.20

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Solution

The fourth proportional to 185,611.10, 278,489.55 and 73,272.20 is: 109,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,611.10 : 278,489.55 = 73,272.20 : x
  2. Step 2: Convert to fraction form
    185,611.10/278,489.55 = 73,272.20/x
  3. Step 3: Cross multiply
    185,611.10x = 278,489.55 × 73,272.20
  4. Step 4: Simplify right side
    185,611.10x = 20,405,542,005.51
  5. Step 5: Solve for x
    x = 20,405,542,005.51/185,611.10
  6. Step 6: Final answer
    x = 109,937.08

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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.