Home / 203,014.22-280,152.47-112,370.36

Finding the Fourth Proportional to 203,014.22, 280,152.47 and 112,370.36

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Solution

The fourth proportional to 203,014.22, 280,152.47 and 112,370.36 is: 155,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,014.22 : 280,152.47 = 112,370.36 : x
  2. Step 2: Convert to fraction form
    203,014.22/280,152.47 = 112,370.36/x
  3. Step 3: Cross multiply
    203,014.22x = 280,152.47 × 112,370.36
  4. Step 4: Simplify right side
    203,014.22x = 31,480,832,788.95
  5. Step 5: Solve for x
    x = 31,480,832,788.95/203,014.22
  6. Step 6: Final answer
    x = 155,067.14

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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.