Home / 112,221.36-168,303.24-33,317.28

Finding the Fourth Proportional to 112,221.36, 168,303.24 and 33,317.28

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Solution

The fourth proportional to 112,221.36, 168,303.24 and 33,317.28 is: 49,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,221.36 : 168,303.24 = 33,317.28 : x
  2. Step 2: Convert to fraction form
    112,221.36/168,303.24 = 33,317.28/x
  3. Step 3: Cross multiply
    112,221.36x = 168,303.24 × 33,317.28
  4. Step 4: Simplify right side
    112,221.36x = 5,607,406,171.99
  5. Step 5: Solve for x
    x = 5,607,406,171.99/112,221.36
  6. Step 6: Final answer
    x = 49,967.37

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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.