Home / 139,501.80-209,249.96-46,007.55

Finding the Fourth Proportional to 139,501.80, 209,249.96 and 46,007.55

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Solution

The fourth proportional to 139,501.80, 209,249.96 and 46,007.55 is: 69,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,501.80 : 209,249.96 = 46,007.55 : x
  2. Step 2: Convert to fraction form
    139,501.80/209,249.96 = 46,007.55/x
  3. Step 3: Cross multiply
    139,501.80x = 209,249.96 × 46,007.55
  4. Step 4: Simplify right side
    139,501.80x = 9,627,077,767.16
  5. Step 5: Solve for x
    x = 9,627,077,767.16/139,501.80
  6. Step 6: Final answer
    x = 69,010.42

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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.