Home / 86,004.26-118,629.33-54,146.42

Finding the Fourth Proportional to 86,004.26, 118,629.33 and 54,146.42

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Solution

The fourth proportional to 86,004.26, 118,629.33 and 54,146.42 is: 74,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,004.26 : 118,629.33 = 54,146.42 : x
  2. Step 2: Convert to fraction form
    86,004.26/118,629.33 = 54,146.42/x
  3. Step 3: Cross multiply
    86,004.26x = 118,629.33 × 54,146.42
  4. Step 4: Simplify right side
    86,004.26x = 6,423,353,526.50
  5. Step 5: Solve for x
    x = 6,423,353,526.50/86,004.26
  6. Step 6: Final answer
    x = 74,686.46

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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.