Home / 170,731.04-255,969.70-81,899.96

Finding the Fourth Proportional to 170,731.04, 255,969.70 and 81,899.96

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Solution

The fourth proportional to 170,731.04, 255,969.70 and 81,899.96 is: 122,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,731.04 : 255,969.70 = 81,899.96 : x
  2. Step 2: Convert to fraction form
    170,731.04/255,969.70 = 81,899.96/x
  3. Step 3: Cross multiply
    170,731.04x = 255,969.70 × 81,899.96
  4. Step 4: Simplify right side
    170,731.04x = 20,963,908,191.21
  5. Step 5: Solve for x
    x = 20,963,908,191.21/170,731.04
  6. Step 6: Final answer
    x = 122,789.09

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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.