Home / 151,941.42-209,668.32-83,957.64

Finding the Fourth Proportional to 151,941.42, 209,668.32 and 83,957.64

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Solution

The fourth proportional to 151,941.42, 209,668.32 and 83,957.64 is: 115,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,941.42 : 209,668.32 = 83,957.64 : x
  2. Step 2: Convert to fraction form
    151,941.42/209,668.32 = 83,957.64/x
  3. Step 3: Cross multiply
    151,941.42x = 209,668.32 × 83,957.64
  4. Step 4: Simplify right side
    151,941.42x = 17,603,257,329.96
  5. Step 5: Solve for x
    x = 17,603,257,329.96/151,941.42
  6. Step 6: Final answer
    x = 115,855.55

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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.