Home / 152,971.03-211,099.80-84,994.26

Finding the Fourth Proportional to 152,971.03, 211,099.80 and 84,994.26

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Solution

The fourth proportional to 152,971.03, 211,099.80 and 84,994.26 is: 117,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,971.03 : 211,099.80 = 84,994.26 : x
  2. Step 2: Convert to fraction form
    152,971.03/211,099.80 = 84,994.26/x
  3. Step 3: Cross multiply
    152,971.03x = 211,099.80 × 84,994.26
  4. Step 4: Simplify right side
    152,971.03x = 17,942,271,287.15
  5. Step 5: Solve for x
    x = 17,942,271,287.15/152,971.03
  6. Step 6: Final answer
    x = 117,291.96

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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.