Home / 198,784.36-274,232.05-118,166.10

Finding the Fourth Proportional to 198,784.36, 274,232.05 and 118,166.10

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Solution

The fourth proportional to 198,784.36, 274,232.05 and 118,166.10 is: 163,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,784.36 : 274,232.05 = 118,166.10 : x
  2. Step 2: Convert to fraction form
    198,784.36/274,232.05 = 118,166.10/x
  3. Step 3: Cross multiply
    198,784.36x = 274,232.05 × 118,166.10
  4. Step 4: Simplify right side
    198,784.36x = 32,404,931,843.51
  5. Step 5: Solve for x
    x = 32,404,931,843.51/198,784.36
  6. Step 6: Final answer
    x = 163,015.50

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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.