Home / 146,004.64-201,485.52-78,936.48

Finding the Fourth Proportional to 146,004.64, 201,485.52 and 78,936.48

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Solution

The fourth proportional to 146,004.64, 201,485.52 and 78,936.48 is: 108,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,004.64 : 201,485.52 = 78,936.48 : x
  2. Step 2: Convert to fraction form
    146,004.64/201,485.52 = 78,936.48/x
  3. Step 3: Cross multiply
    146,004.64x = 201,485.52 × 78,936.48
  4. Step 4: Simplify right side
    146,004.64x = 15,904,557,719.77
  5. Step 5: Solve for x
    x = 15,904,557,719.77/146,004.64
  6. Step 6: Final answer
    x = 108,931.86

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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.