Home / 130,993.61-196,528.68-42,245.15

Finding the Fourth Proportional to 130,993.61, 196,528.68 and 42,245.15

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Solution

The fourth proportional to 130,993.61, 196,528.68 and 42,245.15 is: 63,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,993.61 : 196,528.68 = 42,245.15 : x
  2. Step 2: Convert to fraction form
    130,993.61/196,528.68 = 42,245.15/x
  3. Step 3: Cross multiply
    130,993.61x = 196,528.68 × 42,245.15
  4. Step 4: Simplify right side
    130,993.61x = 8,302,382,583.26
  5. Step 5: Solve for x
    x = 8,302,382,583.26/130,993.61
  6. Step 6: Final answer
    x = 63,380.06

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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.