Home / 245,749.12-368,610.72-121,048

Finding the Fourth Proportional to 245,749.12, 368,610.72 and 121,048

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Solution

The fourth proportional to 245,749.12, 368,610.72 and 121,048 is: 181,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,749.12 : 368,610.72 = 121,048 : x
  2. Step 2: Convert to fraction form
    245,749.12/368,610.72 = 121,048/x
  3. Step 3: Cross multiply
    245,749.12x = 368,610.72 × 121,048
  4. Step 4: Simplify right side
    245,749.12x = 44,619,590,434.56
  5. Step 5: Solve for x
    x = 44,619,590,434.56/245,749.12
  6. Step 6: Final answer
    x = 181,565.62

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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.