Home / 210,831.26-290,954.04-120,185.58

Finding the Fourth Proportional to 210,831.26, 290,954.04 and 120,185.58

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Solution

The fourth proportional to 210,831.26, 290,954.04 and 120,185.58 is: 165,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,831.26 : 290,954.04 = 120,185.58 : x
  2. Step 2: Convert to fraction form
    210,831.26/290,954.04 = 120,185.58/x
  3. Step 3: Cross multiply
    210,831.26x = 290,954.04 × 120,185.58
  4. Step 4: Simplify right side
    210,831.26x = 34,968,480,050.74
  5. Step 5: Solve for x
    x = 34,968,480,050.74/210,831.26
  6. Step 6: Final answer
    x = 165,860.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.