Home / 86,948.20-130,422.30-73,826.20

Finding the Fourth Proportional to 86,948.20, 130,422.30 and 73,826.20

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Solution

The fourth proportional to 86,948.20, 130,422.30 and 73,826.20 is: 110,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948.20 : 130,422.30 = 73,826.20 : x
  2. Step 2: Convert to fraction form
    86,948.20/130,422.30 = 73,826.20/x
  3. Step 3: Cross multiply
    86,948.20x = 130,422.30 × 73,826.20
  4. Step 4: Simplify right side
    86,948.20x = 9,628,582,804.26
  5. Step 5: Solve for x
    x = 9,628,582,804.26/86,948.20
  6. Step 6: Final answer
    x = 110,739.30

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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.