Home / 170,825.40-256,238.10-161,148.60

Finding the Fourth Proportional to 170,825.40, 256,238.10 and 161,148.60

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Solution

The fourth proportional to 170,825.40, 256,238.10 and 161,148.60 is: 241,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,825.40 : 256,238.10 = 161,148.60 : x
  2. Step 2: Convert to fraction form
    170,825.40/256,238.10 = 161,148.60/x
  3. Step 3: Cross multiply
    170,825.40x = 256,238.10 × 161,148.60
  4. Step 4: Simplify right side
    170,825.40x = 41,292,411,081.66
  5. Step 5: Solve for x
    x = 41,292,411,081.66/170,825.40
  6. Step 6: Final answer
    x = 241,722.90

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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.