Home / 259,835.78-358,574.58-140,603.78

Finding the Fourth Proportional to 259,835.78, 358,574.58 and 140,603.78

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Solution

The fourth proportional to 259,835.78, 358,574.58 and 140,603.78 is: 194,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,835.78 : 358,574.58 = 140,603.78 : x
  2. Step 2: Convert to fraction form
    259,835.78/358,574.58 = 140,603.78/x
  3. Step 3: Cross multiply
    259,835.78x = 358,574.58 × 140,603.78
  4. Step 4: Simplify right side
    259,835.78x = 50,416,941,359.91
  5. Step 5: Solve for x
    x = 50,416,941,359.91/259,835.78
  6. Step 6: Final answer
    x = 194,033.87

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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.