Home / 72,141.36-108,222.29-22,225.51

Finding the Fourth Proportional to 72,141.36, 108,222.29 and 22,225.51

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Solution

The fourth proportional to 72,141.36, 108,222.29 and 22,225.51 is: 33,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,141.36 : 108,222.29 = 22,225.51 : x
  2. Step 2: Convert to fraction form
    72,141.36/108,222.29 = 22,225.51/x
  3. Step 3: Cross multiply
    72,141.36x = 108,222.29 × 22,225.51
  4. Step 4: Simplify right side
    72,141.36x = 2,405,295,588.62
  5. Step 5: Solve for x
    x = 2,405,295,588.62/72,141.36
  6. Step 6: Final answer
    x = 33,341.42

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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.