Home / 139,714.39-209,571.66-46,220.14

Finding the Fourth Proportional to 139,714.39, 209,571.66 and 46,220.14

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Solution

The fourth proportional to 139,714.39, 209,571.66 and 46,220.14 is: 69,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,714.39 : 209,571.66 = 46,220.14 : x
  2. Step 2: Convert to fraction form
    139,714.39/209,571.66 = 46,220.14/x
  3. Step 3: Cross multiply
    139,714.39x = 209,571.66 × 46,220.14
  4. Step 4: Simplify right side
    139,714.39x = 9,686,431,465.23
  5. Step 5: Solve for x
    x = 9,686,431,465.23/139,714.39
  6. Step 6: Final answer
    x = 69,330.23

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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.