Home / 152,965.44-211,091.04-85,896

Finding the Fourth Proportional to 152,965.44, 211,091.04 and 85,896

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Solution

The fourth proportional to 152,965.44, 211,091.04 and 85,896 is: 118,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,965.44 : 211,091.04 = 85,896 : x
  2. Step 2: Convert to fraction form
    152,965.44/211,091.04 = 85,896/x
  3. Step 3: Cross multiply
    152,965.44x = 211,091.04 × 85,896
  4. Step 4: Simplify right side
    152,965.44x = 18,131,875,971.84
  5. Step 5: Solve for x
    x = 18,131,875,971.84/152,965.44
  6. Step 6: Final answer
    x = 118,535.77

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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.