Home / 98,743.91-148,198.80-42,626.40

Finding the Fourth Proportional to 98,743.91, 148,198.80 and 42,626.40

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Solution

The fourth proportional to 98,743.91, 148,198.80 and 42,626.40 is: 63,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.91 : 148,198.80 = 42,626.40 : x
  2. Step 2: Convert to fraction form
    98,743.91/148,198.80 = 42,626.40/x
  3. Step 3: Cross multiply
    98,743.91x = 148,198.80 × 42,626.40
  4. Step 4: Simplify right side
    98,743.91x = 6,317,181,328.32
  5. Step 5: Solve for x
    x = 6,317,181,328.32/98,743.91
  6. Step 6: Final answer
    x = 63,975.41

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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.