Home / 126,590.96-189,899.44-47,771.52

Finding the Fourth Proportional to 126,590.96, 189,899.44 and 47,771.52

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Solution

The fourth proportional to 126,590.96, 189,899.44 and 47,771.52 is: 71,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,590.96 : 189,899.44 = 47,771.52 : x
  2. Step 2: Convert to fraction form
    126,590.96/189,899.44 = 47,771.52/x
  3. Step 3: Cross multiply
    126,590.96x = 189,899.44 × 47,771.52
  4. Step 4: Simplify right side
    126,590.96x = 9,071,784,895.95
  5. Step 5: Solve for x
    x = 9,071,784,895.95/126,590.96
  6. Step 6: Final answer
    x = 71,662.19

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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.