Home / 199,485.48-275,325.58-118,918.20

Finding the Fourth Proportional to 199,485.48, 275,325.58 and 118,918.20

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Solution

The fourth proportional to 199,485.48, 275,325.58 and 118,918.20 is: 164,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,485.48 : 275,325.58 = 118,918.20 : x
  2. Step 2: Convert to fraction form
    199,485.48/275,325.58 = 118,918.20/x
  3. Step 3: Cross multiply
    199,485.48x = 275,325.58 × 118,918.20
  4. Step 4: Simplify right side
    199,485.48x = 32,741,222,387.56
  5. Step 5: Solve for x
    x = 32,741,222,387.56/199,485.48
  6. Step 6: Final answer
    x = 164,128.35

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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.