Home / 142,083.14-196,071.74-77,550.26

Finding the Fourth Proportional to 142,083.14, 196,071.74 and 77,550.26

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Solution

The fourth proportional to 142,083.14, 196,071.74 and 77,550.26 is: 107,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,083.14 : 196,071.74 = 77,550.26 : x
  2. Step 2: Convert to fraction form
    142,083.14/196,071.74 = 77,550.26/x
  3. Step 3: Cross multiply
    142,083.14x = 196,071.74 × 77,550.26
  4. Step 4: Simplify right side
    142,083.14x = 15,205,414,415.65
  5. Step 5: Solve for x
    x = 15,205,414,415.65/142,083.14
  6. Step 6: Final answer
    x = 107,017.73

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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.