Home / 106,999.82-147,813.48-85,461.26

Finding the Fourth Proportional to 106,999.82, 147,813.48 and 85,461.26

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Solution

The fourth proportional to 106,999.82, 147,813.48 and 85,461.26 is: 118,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,999.82 : 147,813.48 = 85,461.26 : x
  2. Step 2: Convert to fraction form
    106,999.82/147,813.48 = 85,461.26/x
  3. Step 3: Cross multiply
    106,999.82x = 147,813.48 × 85,461.26
  4. Step 4: Simplify right side
    106,999.82x = 12,632,326,245.78
  5. Step 5: Solve for x
    x = 12,632,326,245.78/106,999.82
  6. Step 6: Final answer
    x = 118,059.32

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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.