Home / 146,779.26-219,889.56-83,642.88

Finding the Fourth Proportional to 146,779.26, 219,889.56 and 83,642.88

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Solution

The fourth proportional to 146,779.26, 219,889.56 and 83,642.88 is: 125,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779.26 : 219,889.56 = 83,642.88 : x
  2. Step 2: Convert to fraction form
    146,779.26/219,889.56 = 83,642.88/x
  3. Step 3: Cross multiply
    146,779.26x = 219,889.56 × 83,642.88
  4. Step 4: Simplify right side
    146,779.26x = 18,392,196,080.33
  5. Step 5: Solve for x
    x = 18,392,196,080.33/146,779.26
  6. Step 6: Final answer
    x = 125,305.14

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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.