Home / 205,564.92-283,681.54-120,683.40

Finding the Fourth Proportional to 205,564.92, 283,681.54 and 120,683.40

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Solution

The fourth proportional to 205,564.92, 283,681.54 and 120,683.40 is: 166,544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,564.92 : 283,681.54 = 120,683.40 : x
  2. Step 2: Convert to fraction form
    205,564.92/283,681.54 = 120,683.40/x
  3. Step 3: Cross multiply
    205,564.92x = 283,681.54 × 120,683.40
  4. Step 4: Simplify right side
    205,564.92x = 34,235,652,764.44
  5. Step 5: Solve for x
    x = 34,235,652,764.44/205,564.92
  6. Step 6: Final answer
    x = 166,544.24

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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.