Home / 170,607.42-255,776.27-85,174.47

Finding the Fourth Proportional to 170,607.42, 255,776.27 and 85,174.47

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Solution

The fourth proportional to 170,607.42, 255,776.27 and 85,174.47 is: 127,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,607.42 : 255,776.27 = 85,174.47 : x
  2. Step 2: Convert to fraction form
    170,607.42/255,776.27 = 85,174.47/x
  3. Step 3: Cross multiply
    170,607.42x = 255,776.27 × 85,174.47
  4. Step 4: Simplify right side
    170,607.42x = 21,785,607,809.95
  5. Step 5: Solve for x
    x = 21,785,607,809.95/170,607.42
  6. Step 6: Final answer
    x = 127,694.37

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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.