Home / 142,284.04-196,296.96-81,845.08

Finding the Fourth Proportional to 142,284.04, 196,296.96 and 81,845.08

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Solution

The fourth proportional to 142,284.04, 196,296.96 and 81,845.08 is: 112,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,284.04 : 196,296.96 = 81,845.08 : x
  2. Step 2: Convert to fraction form
    142,284.04/196,296.96 = 81,845.08/x
  3. Step 3: Cross multiply
    142,284.04x = 196,296.96 × 81,845.08
  4. Step 4: Simplify right side
    142,284.04x = 16,065,940,394.96
  5. Step 5: Solve for x
    x = 16,065,940,394.96/142,284.04
  6. Step 6: Final answer
    x = 112,914.56

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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.