Home / 170,719.02-255,951.72-81,887.94

Finding the Fourth Proportional to 170,719.02, 255,951.72 and 81,887.94

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Solution

The fourth proportional to 170,719.02, 255,951.72 and 81,887.94 is: 122,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,719.02 : 255,951.72 = 81,887.94 : x
  2. Step 2: Convert to fraction form
    170,719.02/255,951.72 = 81,887.94/x
  3. Step 3: Cross multiply
    170,719.02x = 255,951.72 × 81,887.94
  4. Step 4: Simplify right side
    170,719.02x = 20,959,359,090.26
  5. Step 5: Solve for x
    x = 20,959,359,090.26/170,719.02
  6. Step 6: Final answer
    x = 122,771.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.