Home / 106,012.83-146,147.14-84,312.33

Finding the Fourth Proportional to 106,012.83, 146,147.14 and 84,312.33

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Solution

The fourth proportional to 106,012.83, 146,147.14 and 84,312.33 is: 116,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,012.83 : 146,147.14 = 84,312.33 : x
  2. Step 2: Convert to fraction form
    106,012.83/146,147.14 = 84,312.33/x
  3. Step 3: Cross multiply
    106,012.83x = 146,147.14 × 84,312.33
  4. Step 4: Simplify right side
    106,012.83x = 12,322,004,979.32
  5. Step 5: Solve for x
    x = 12,322,004,979.32/106,012.83
  6. Step 6: Final answer
    x = 116,231.26

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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.