Home / 259,835.81-358,574.50-140,603.81

Finding the Fourth Proportional to 259,835.81, 358,574.50 and 140,603.81

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Solution

The fourth proportional to 259,835.81, 358,574.50 and 140,603.81 is: 194,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,835.81 : 358,574.50 = 140,603.81 : x
  2. Step 2: Convert to fraction form
    259,835.81/358,574.50 = 140,603.81/x
  3. Step 3: Cross multiply
    259,835.81x = 358,574.50 × 140,603.81
  4. Step 4: Simplify right side
    259,835.81x = 50,416,941,941.04
  5. Step 5: Solve for x
    x = 50,416,941,941.04/259,835.81
  6. Step 6: Final answer
    x = 194,033.85

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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.