Home / 139,078.40-208,608.96-44,306.24

Finding the Fourth Proportional to 139,078.40, 208,608.96 and 44,306.24

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Solution

The fourth proportional to 139,078.40, 208,608.96 and 44,306.24 is: 66,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,078.40 : 208,608.96 = 44,306.24 : x
  2. Step 2: Convert to fraction form
    139,078.40/208,608.96 = 44,306.24/x
  3. Step 3: Cross multiply
    139,078.40x = 208,608.96 × 44,306.24
  4. Step 4: Simplify right side
    139,078.40x = 9,242,678,647.91
  5. Step 5: Solve for x
    x = 9,242,678,647.91/139,078.40
  6. Step 6: Final answer
    x = 66,456.61

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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.