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Finding the Fourth Proportional to 133,051.70, 199,577.55 and 59,179.70

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Solution

The fourth proportional to 133,051.70, 199,577.55 and 59,179.70 is: 88,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.70 : 199,577.55 = 59,179.70 : x
  2. Step 2: Convert to fraction form
    133,051.70/199,577.55 = 59,179.70/x
  3. Step 3: Cross multiply
    133,051.70x = 199,577.55 × 59,179.70
  4. Step 4: Simplify right side
    133,051.70x = 11,810,939,535.74
  5. Step 5: Solve for x
    x = 11,810,939,535.74/133,051.70
  6. Step 6: Final answer
    x = 88,769.55

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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.