Home / 147,923.20-221,884.80-84,937.60

Finding the Fourth Proportional to 147,923.20, 221,884.80 and 84,937.60

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Solution

The fourth proportional to 147,923.20, 221,884.80 and 84,937.60 is: 127,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,923.20 : 221,884.80 = 84,937.60 : x
  2. Step 2: Convert to fraction form
    147,923.20/221,884.80 = 84,937.60/x
  3. Step 3: Cross multiply
    147,923.20x = 221,884.80 × 84,937.60
  4. Step 4: Simplify right side
    147,923.20x = 18,846,362,388.48
  5. Step 5: Solve for x
    x = 18,846,362,388.48/147,923.20
  6. Step 6: Final answer
    x = 127,406.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.