Home / 140,147.70-210,221.55-46,653.45

Finding the Fourth Proportional to 140,147.70, 210,221.55 and 46,653.45

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Solution

The fourth proportional to 140,147.70, 210,221.55 and 46,653.45 is: 69,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147.70 : 210,221.55 = 46,653.45 : x
  2. Step 2: Convert to fraction form
    140,147.70/210,221.55 = 46,653.45/x
  3. Step 3: Cross multiply
    140,147.70x = 210,221.55 × 46,653.45
  4. Step 4: Simplify right side
    140,147.70x = 9,807,560,571.85
  5. Step 5: Solve for x
    x = 9,807,560,571.85/140,147.70
  6. Step 6: Final answer
    x = 69,980.18

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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.