Home / 190,594.02-285,831.36-68,999.21

Finding the Fourth Proportional to 190,594.02, 285,831.36 and 68,999.21

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Solution

The fourth proportional to 190,594.02, 285,831.36 and 68,999.21 is: 103,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,594.02 : 285,831.36 = 68,999.21 : x
  2. Step 2: Convert to fraction form
    190,594.02/285,831.36 = 68,999.21/x
  3. Step 3: Cross multiply
    190,594.02x = 285,831.36 × 68,999.21
  4. Step 4: Simplify right side
    190,594.02x = 19,722,136,604.07
  5. Step 5: Solve for x
    x = 19,722,136,604.07/190,594.02
  6. Step 6: Final answer
    x = 103,477.21

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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.