Home / 130,853.66-196,285.46-40,904.64

Finding the Fourth Proportional to 130,853.66, 196,285.46 and 40,904.64

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Solution

The fourth proportional to 130,853.66, 196,285.46 and 40,904.64 is: 61,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,853.66 : 196,285.46 = 40,904.64 : x
  2. Step 2: Convert to fraction form
    130,853.66/196,285.46 = 40,904.64/x
  3. Step 3: Cross multiply
    130,853.66x = 196,285.46 × 40,904.64
  4. Step 4: Simplify right side
    130,853.66x = 8,028,985,874.01
  5. Step 5: Solve for x
    x = 8,028,985,874.01/130,853.66
  6. Step 6: Final answer
    x = 61,358.51

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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.