Home / 216,228.86-298,394.05-118,112.18

Finding the Fourth Proportional to 216,228.86, 298,394.05 and 118,112.18

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Solution

The fourth proportional to 216,228.86, 298,394.05 and 118,112.18 is: 162,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,228.86 : 298,394.05 = 118,112.18 : x
  2. Step 2: Convert to fraction form
    216,228.86/298,394.05 = 118,112.18/x
  3. Step 3: Cross multiply
    216,228.86x = 298,394.05 × 118,112.18
  4. Step 4: Simplify right side
    216,228.86x = 35,243,972,195.23
  5. Step 5: Solve for x
    x = 35,243,972,195.23/216,228.86
  6. Step 6: Final answer
    x = 162,993.84

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1.5x scale

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.