Home / 170,153.16-255,266.66-51,821.44

Finding the Fourth Proportional to 170,153.16, 255,266.66 and 51,821.44

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Solution

The fourth proportional to 170,153.16, 255,266.66 and 51,821.44 is: 77,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,153.16 : 255,266.66 = 51,821.44 : x
  2. Step 2: Convert to fraction form
    170,153.16/255,266.66 = 51,821.44/x
  3. Step 3: Cross multiply
    170,153.16x = 255,266.66 × 51,821.44
  4. Step 4: Simplify right side
    170,153.16x = 13,228,285,905.19
  5. Step 5: Solve for x
    x = 13,228,285,905.19/170,153.16
  6. Step 6: Final answer
    x = 77,743.40

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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.