Home / 152,786.30-210,841.91-84,799.28

Finding the Fourth Proportional to 152,786.30, 210,841.91 and 84,799.28

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Solution

The fourth proportional to 152,786.30, 210,841.91 and 84,799.28 is: 117,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,786.30 : 210,841.91 = 84,799.28 : x
  2. Step 2: Convert to fraction form
    152,786.30/210,841.91 = 84,799.28/x
  3. Step 3: Cross multiply
    152,786.30x = 210,841.91 × 84,799.28
  4. Step 4: Simplify right side
    152,786.30x = 17,879,242,161.82
  5. Step 5: Solve for x
    x = 17,879,242,161.82/152,786.30
  6. Step 6: Final answer
    x = 117,021.24

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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.