Home / 170,730.04-255,968.20-81,898.96

Finding the Fourth Proportional to 170,730.04, 255,968.20 and 81,898.96

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Solution

The fourth proportional to 170,730.04, 255,968.20 and 81,898.96 is: 122,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,730.04 : 255,968.20 = 81,898.96 : x
  2. Step 2: Convert to fraction form
    170,730.04/255,968.20 = 81,898.96/x
  3. Step 3: Cross multiply
    170,730.04x = 255,968.20 × 81,898.96
  4. Step 4: Simplify right side
    170,730.04x = 20,963,529,373.07
  5. Step 5: Solve for x
    x = 20,963,529,373.07/170,730.04
  6. Step 6: Final answer
    x = 122,787.59

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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.