Home / 199,017.90-274,354.56-151,188.21

Finding the Fourth Proportional to 199,017.90, 274,354.56 and 151,188.21

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Solution

The fourth proportional to 199,017.90, 274,354.56 and 151,188.21 is: 208,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,017.90 : 274,354.56 = 151,188.21 : x
  2. Step 2: Convert to fraction form
    199,017.90/274,354.56 = 151,188.21/x
  3. Step 3: Cross multiply
    199,017.90x = 274,354.56 × 151,188.21
  4. Step 4: Simplify right side
    199,017.90x = 41,479,174,831.74
  5. Step 5: Solve for x
    x = 41,479,174,831.74/199,017.90
  6. Step 6: Final answer
    x = 208,419.32

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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.