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Finding the Fourth Proportional to 133,590.14, 200,406.99 and 63,445.76

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Solution

The fourth proportional to 133,590.14, 200,406.99 and 63,445.76 is: 95,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,590.14 : 200,406.99 = 63,445.76 : x
  2. Step 2: Convert to fraction form
    133,590.14/200,406.99 = 63,445.76/x
  3. Step 3: Cross multiply
    133,590.14x = 200,406.99 × 63,445.76
  4. Step 4: Simplify right side
    133,590.14x = 12,714,973,789.86
  5. Step 5: Solve for x
    x = 12,714,973,789.86/133,590.14
  6. Step 6: Final answer
    x = 95,178.98

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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.