Home / 260,270.02-359,157.72-143,976.55

Finding the Fourth Proportional to 260,270.02, 359,157.72 and 143,976.55

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Solution

The fourth proportional to 260,270.02, 359,157.72 and 143,976.55 is: 198,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,270.02 : 359,157.72 = 143,976.55 : x
  2. Step 2: Convert to fraction form
    260,270.02/359,157.72 = 143,976.55/x
  3. Step 3: Cross multiply
    260,270.02x = 359,157.72 × 143,976.55
  4. Step 4: Simplify right side
    260,270.02x = 51,710,289,431.47
  5. Step 5: Solve for x
    x = 51,710,289,431.47/260,270.02
  6. Step 6: Final answer
    x = 198,679.39

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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.