Home / 152,964.40-211,093.54-84,987.58

Finding the Fourth Proportional to 152,964.40, 211,093.54 and 84,987.58

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Solution

The fourth proportional to 152,964.40, 211,093.54 and 84,987.58 is: 117,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,964.40 : 211,093.54 = 84,987.58 : x
  2. Step 2: Convert to fraction form
    152,964.40/211,093.54 = 84,987.58/x
  3. Step 3: Cross multiply
    152,964.40x = 211,093.54 × 84,987.58
  4. Step 4: Simplify right side
    152,964.40x = 17,940,329,118.23
  5. Step 5: Solve for x
    x = 17,940,329,118.23/152,964.40
  6. Step 6: Final answer
    x = 117,284.34

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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.