Home / 86,868.56-130,322-49,446.24

Finding the Fourth Proportional to 86,868.56, 130,322 and 49,446.24

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Solution

The fourth proportional to 86,868.56, 130,322 and 49,446.24 is: 74,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,868.56 : 130,322 = 49,446.24 : x
  2. Step 2: Convert to fraction form
    86,868.56/130,322 = 49,446.24/x
  3. Step 3: Cross multiply
    86,868.56x = 130,322 × 49,446.24
  4. Step 4: Simplify right side
    86,868.56x = 6,443,932,889.28
  5. Step 5: Solve for x
    x = 6,443,932,889.28/86,868.56
  6. Step 6: Final answer
    x = 74,180.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.