Home / 203,226.06-280,451.77-112,587.67

Finding the Fourth Proportional to 203,226.06, 280,451.77 and 112,587.67

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Solution

The fourth proportional to 203,226.06, 280,451.77 and 112,587.67 is: 155,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,226.06 : 280,451.77 = 112,587.67 : x
  2. Step 2: Convert to fraction form
    203,226.06/280,451.77 = 112,587.67/x
  3. Step 3: Cross multiply
    203,226.06x = 280,451.77 × 112,587.67
  4. Step 4: Simplify right side
    203,226.06x = 31,575,411,400.77
  5. Step 5: Solve for x
    x = 31,575,411,400.77/203,226.06
  6. Step 6: Final answer
    x = 155,370.88

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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.