Home / 142,182.08-213,284.44-83,023.72

Finding the Fourth Proportional to 142,182.08, 213,284.44 and 83,023.72

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Solution

The fourth proportional to 142,182.08, 213,284.44 and 83,023.72 is: 124,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,182.08 : 213,284.44 = 83,023.72 : x
  2. Step 2: Convert to fraction form
    142,182.08/213,284.44 = 83,023.72/x
  3. Step 3: Cross multiply
    142,182.08x = 213,284.44 × 83,023.72
  4. Step 4: Simplify right side
    142,182.08x = 17,707,667,626.92
  5. Step 5: Solve for x
    x = 17,707,667,626.92/142,182.08
  6. Step 6: Final answer
    x = 124,542.19

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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.