Home / 260,269.52-359,157.03-143,976.05

Finding the Fourth Proportional to 260,269.52, 359,157.03 and 143,976.05

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Solution

The fourth proportional to 260,269.52, 359,157.03 and 143,976.05 is: 198,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,269.52 : 359,157.03 = 143,976.05 : x
  2. Step 2: Convert to fraction form
    260,269.52/359,157.03 = 143,976.05/x
  3. Step 3: Cross multiply
    260,269.52x = 359,157.03 × 143,976.05
  4. Step 4: Simplify right side
    260,269.52x = 51,710,010,330.14
  5. Step 5: Solve for x
    x = 51,710,010,330.14/260,269.52
  6. Step 6: Final answer
    x = 198,678.70

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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.