Home / 139,653.32-209,512.79-46,159.07

Finding the Fourth Proportional to 139,653.32, 209,512.79 and 46,159.07

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Solution

The fourth proportional to 139,653.32, 209,512.79 and 46,159.07 is: 69,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,653.32 : 209,512.79 = 46,159.07 : x
  2. Step 2: Convert to fraction form
    139,653.32/209,512.79 = 46,159.07/x
  3. Step 3: Cross multiply
    139,653.32x = 209,512.79 × 46,159.07
  4. Step 4: Simplify right side
    139,653.32x = 9,670,915,308.71
  5. Step 5: Solve for x
    x = 9,670,915,308.71/139,653.32
  6. Step 6: Final answer
    x = 69,249.45

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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.