Home / 130,968.64-196,480.26-42,231.10

Finding the Fourth Proportional to 130,968.64, 196,480.26 and 42,231.10

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Solution

The fourth proportional to 130,968.64, 196,480.26 and 42,231.10 is: 63,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,968.64 : 196,480.26 = 42,231.10 : x
  2. Step 2: Convert to fraction form
    130,968.64/196,480.26 = 42,231.10/x
  3. Step 3: Cross multiply
    130,968.64x = 196,480.26 × 42,231.10
  4. Step 4: Simplify right side
    130,968.64x = 8,297,577,508.09
  5. Step 5: Solve for x
    x = 8,297,577,508.09/130,968.64
  6. Step 6: Final answer
    x = 63,355.45

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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.