Home / 203,537.34-280,845.23-122,910.89

Finding the Fourth Proportional to 203,537.34, 280,845.23 and 122,910.89

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Solution

The fourth proportional to 203,537.34, 280,845.23 and 122,910.89 is: 169,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,537.34 : 280,845.23 = 122,910.89 : x
  2. Step 2: Convert to fraction form
    203,537.34/280,845.23 = 122,910.89/x
  3. Step 3: Cross multiply
    203,537.34x = 280,845.23 × 122,910.89
  4. Step 4: Simplify right side
    203,537.34x = 34,518,935,152.77
  5. Step 5: Solve for x
    x = 34,518,935,152.77/203,537.34
  6. Step 6: Final answer
    x = 169,595.10

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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.