Home / 151,281.02-208,766.08-83,296.60

Finding the Fourth Proportional to 151,281.02, 208,766.08 and 83,296.60

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Solution

The fourth proportional to 151,281.02, 208,766.08 and 83,296.60 is: 114,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,281.02 : 208,766.08 = 83,296.60 : x
  2. Step 2: Convert to fraction form
    151,281.02/208,766.08 = 83,296.60/x
  3. Step 3: Cross multiply
    151,281.02x = 208,766.08 × 83,296.60
  4. Step 4: Simplify right side
    151,281.02x = 17,389,504,659.33
  5. Step 5: Solve for x
    x = 17,389,504,659.33/151,281.02
  6. Step 6: Final answer
    x = 114,948.36

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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.