Home / 158,519.44-218,779.20-98,109.52

Finding the Fourth Proportional to 158,519.44, 218,779.20 and 98,109.52

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Solution

The fourth proportional to 158,519.44, 218,779.20 and 98,109.52 is: 135,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,519.44 : 218,779.20 = 98,109.52 : x
  2. Step 2: Convert to fraction form
    158,519.44/218,779.20 = 98,109.52/x
  3. Step 3: Cross multiply
    158,519.44x = 218,779.20 × 98,109.52
  4. Step 4: Simplify right side
    158,519.44x = 21,464,322,297.98
  5. Step 5: Solve for x
    x = 21,464,322,297.98/158,519.44
  6. Step 6: Final answer
    x = 135,404.98

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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.