Home / 146,763.80-220,145.70-121,853.60

Finding the Fourth Proportional to 146,763.80, 220,145.70 and 121,853.60

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Solution

The fourth proportional to 146,763.80, 220,145.70 and 121,853.60 is: 182,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,763.80 : 220,145.70 = 121,853.60 : x
  2. Step 2: Convert to fraction form
    146,763.80/220,145.70 = 121,853.60/x
  3. Step 3: Cross multiply
    146,763.80x = 220,145.70 × 121,853.60
  4. Step 4: Simplify right side
    146,763.80x = 26,825,546,069.52
  5. Step 5: Solve for x
    x = 26,825,546,069.52/146,763.80
  6. Step 6: Final answer
    x = 182,780.40

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1.5x scale

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.