Home / 140,455.38-210,639.32-46,939.26

Finding the Fourth Proportional to 140,455.38, 210,639.32 and 46,939.26

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Solution

The fourth proportional to 140,455.38, 210,639.32 and 46,939.26 is: 70,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,455.38 : 210,639.32 = 46,939.26 : x
  2. Step 2: Convert to fraction form
    140,455.38/210,639.32 = 46,939.26/x
  3. Step 3: Cross multiply
    140,455.38x = 210,639.32 × 46,939.26
  4. Step 4: Simplify right side
    140,455.38x = 9,887,253,807.70
  5. Step 5: Solve for x
    x = 9,887,253,807.70/140,455.38
  6. Step 6: Final answer
    x = 70,394.27

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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.