Home / 149,928.22-206,900.58-85,397.44

Finding the Fourth Proportional to 149,928.22, 206,900.58 and 85,397.44

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Solution

The fourth proportional to 149,928.22, 206,900.58 and 85,397.44 is: 117,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928.22 : 206,900.58 = 85,397.44 : x
  2. Step 2: Convert to fraction form
    149,928.22/206,900.58 = 85,397.44/x
  3. Step 3: Cross multiply
    149,928.22x = 206,900.58 × 85,397.44
  4. Step 4: Simplify right side
    149,928.22x = 17,668,779,866.52
  5. Step 5: Solve for x
    x = 17,668,779,866.52/149,928.22
  6. Step 6: Final answer
    x = 117,848.26

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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.