Home / 85,634.26-118,222.74-51,651.34

Finding the Fourth Proportional to 85,634.26, 118,222.74 and 51,651.34

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Solution

The fourth proportional to 85,634.26, 118,222.74 and 51,651.34 is: 71,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,634.26 : 118,222.74 = 51,651.34 : x
  2. Step 2: Convert to fraction form
    85,634.26/118,222.74 = 51,651.34/x
  3. Step 3: Cross multiply
    85,634.26x = 118,222.74 × 51,651.34
  4. Step 4: Simplify right side
    85,634.26x = 6,106,362,939.47
  5. Step 5: Solve for x
    x = 6,106,362,939.47/85,634.26
  6. Step 6: Final answer
    x = 71,307.48

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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.