Home / 148,921.04-205,271.34-122,016.08

Finding the Fourth Proportional to 148,921.04, 205,271.34 and 122,016.08

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Solution

The fourth proportional to 148,921.04, 205,271.34 and 122,016.08 is: 168,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,921.04 : 205,271.34 = 122,016.08 : x
  2. Step 2: Convert to fraction form
    148,921.04/205,271.34 = 122,016.08/x
  3. Step 3: Cross multiply
    148,921.04x = 205,271.34 × 122,016.08
  4. Step 4: Simplify right side
    148,921.04x = 25,046,404,243.15
  5. Step 5: Solve for x
    x = 25,046,404,243.15/148,921.04
  6. Step 6: Final answer
    x = 168,185.80

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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.