Home / 152,954.16-211,083.80-84,971.20

Finding the Fourth Proportional to 152,954.16, 211,083.80 and 84,971.20

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Solution

The fourth proportional to 152,954.16, 211,083.80 and 84,971.20 is: 117,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,954.16 : 211,083.80 = 84,971.20 : x
  2. Step 2: Convert to fraction form
    152,954.16/211,083.80 = 84,971.20/x
  3. Step 3: Cross multiply
    152,954.16x = 211,083.80 × 84,971.20
  4. Step 4: Simplify right side
    152,954.16x = 17,936,043,786.56
  5. Step 5: Solve for x
    x = 17,936,043,786.56/152,954.16
  6. Step 6: Final answer
    x = 117,264.18

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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.