Home / 142,779.25-214,170.36-58,517.79

Finding the Fourth Proportional to 142,779.25, 214,170.36 and 58,517.79

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Solution

The fourth proportional to 142,779.25, 214,170.36 and 58,517.79 is: 87,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,779.25 : 214,170.36 = 58,517.79 : x
  2. Step 2: Convert to fraction form
    142,779.25/214,170.36 = 58,517.79/x
  3. Step 3: Cross multiply
    142,779.25x = 214,170.36 × 58,517.79
  4. Step 4: Simplify right side
    142,779.25x = 12,532,776,150.70
  5. Step 5: Solve for x
    x = 12,532,776,150.70/142,779.25
  6. Step 6: Final answer
    x = 87,777.29

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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.