Home / 189,003.96-260,771.34-112,459.08

Finding the Fourth Proportional to 189,003.96, 260,771.34 and 112,459.08

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Solution

The fourth proportional to 189,003.96, 260,771.34 and 112,459.08 is: 155,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,003.96 : 260,771.34 = 112,459.08 : x
  2. Step 2: Convert to fraction form
    189,003.96/260,771.34 = 112,459.08/x
  3. Step 3: Cross multiply
    189,003.96x = 260,771.34 × 112,459.08
  4. Step 4: Simplify right side
    189,003.96x = 29,326,104,986.77
  5. Step 5: Solve for x
    x = 29,326,104,986.77/189,003.96
  6. Step 6: Final answer
    x = 155,161.33

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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.