Home / 142,183.67-213,215.96-57,886.50

Finding the Fourth Proportional to 142,183.67, 213,215.96 and 57,886.50

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Solution

The fourth proportional to 142,183.67, 213,215.96 and 57,886.50 is: 86,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,183.67 : 213,215.96 = 57,886.50 : x
  2. Step 2: Convert to fraction form
    142,183.67/213,215.96 = 57,886.50/x
  3. Step 3: Cross multiply
    142,183.67x = 213,215.96 × 57,886.50
  4. Step 4: Simplify right side
    142,183.67x = 12,342,325,379.11
  5. Step 5: Solve for x
    x = 12,342,325,379.11/142,183.67
  6. Step 6: Final answer
    x = 86,805.51

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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.