Home / 259,567.56-389,364.10-126,561.51

Finding the Fourth Proportional to 259,567.56, 389,364.10 and 126,561.51

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Solution

The fourth proportional to 259,567.56, 389,364.10 and 126,561.51 is: 189,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,567.56 : 389,364.10 = 126,561.51 : x
  2. Step 2: Convert to fraction form
    259,567.56/389,364.10 = 126,561.51/x
  3. Step 3: Cross multiply
    259,567.56x = 389,364.10 × 126,561.51
  4. Step 4: Simplify right side
    259,567.56x = 49,278,508,119.39
  5. Step 5: Solve for x
    x = 49,278,508,119.39/259,567.56
  6. Step 6: Final answer
    x = 189,848.49

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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.