Home / 245,707.92-339,094.08-138,288.24

Finding the Fourth Proportional to 245,707.92, 339,094.08 and 138,288.24

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Solution

The fourth proportional to 245,707.92, 339,094.08 and 138,288.24 is: 190,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,707.92 : 339,094.08 = 138,288.24 : x
  2. Step 2: Convert to fraction form
    245,707.92/339,094.08 = 138,288.24/x
  3. Step 3: Cross multiply
    245,707.92x = 339,094.08 × 138,288.24
  4. Step 4: Simplify right side
    245,707.92x = 46,892,723,517.62
  5. Step 5: Solve for x
    x = 46,892,723,517.62/245,707.92
  6. Step 6: Final answer
    x = 190,847.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.