Home / 86,995.22-131,085.54-71,546.39

Finding the Fourth Proportional to 86,995.22, 131,085.54 and 71,546.39

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Solution

The fourth proportional to 86,995.22, 131,085.54 and 71,546.39 is: 107,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,995.22 : 131,085.54 = 71,546.39 : x
  2. Step 2: Convert to fraction form
    86,995.22/131,085.54 = 71,546.39/x
  3. Step 3: Cross multiply
    86,995.22x = 131,085.54 × 71,546.39
  4. Step 4: Simplify right side
    86,995.22x = 9,378,697,004.34
  5. Step 5: Solve for x
    x = 9,378,697,004.34/86,995.22
  6. Step 6: Final answer
    x = 107,807.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.