Home / 199,480.48-275,318.67-118,913.14

Finding the Fourth Proportional to 199,480.48, 275,318.67 and 118,913.14

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Solution

The fourth proportional to 199,480.48, 275,318.67 and 118,913.14 is: 164,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,480.48 : 275,318.67 = 118,913.14 : x
  2. Step 2: Convert to fraction form
    199,480.48/275,318.67 = 118,913.14/x
  3. Step 3: Cross multiply
    199,480.48x = 275,318.67 × 118,913.14
  4. Step 4: Simplify right side
    199,480.48x = 32,739,007,550.32
  5. Step 5: Solve for x
    x = 32,739,007,550.32/199,480.48
  6. Step 6: Final answer
    x = 164,121.36

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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.