Home / 146,728.20-202,485.76-86,301.40

Finding the Fourth Proportional to 146,728.20, 202,485.76 and 86,301.40

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Solution

The fourth proportional to 146,728.20, 202,485.76 and 86,301.40 is: 119,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.20 : 202,485.76 = 86,301.40 : x
  2. Step 2: Convert to fraction form
    146,728.20/202,485.76 = 86,301.40/x
  3. Step 3: Cross multiply
    146,728.20x = 202,485.76 × 86,301.40
  4. Step 4: Simplify right side
    146,728.20x = 17,474,804,568.06
  5. Step 5: Solve for x
    x = 17,474,804,568.06/146,728.20
  6. Step 6: Final answer
    x = 119,096.43

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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.