Home / 152,727.35-210,775.27-84,757.16

Finding the Fourth Proportional to 152,727.35, 210,775.27 and 84,757.16

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Solution

The fourth proportional to 152,727.35, 210,775.27 and 84,757.16 is: 116,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,727.35 : 210,775.27 = 84,757.16 : x
  2. Step 2: Convert to fraction form
    152,727.35/210,775.27 = 84,757.16/x
  3. Step 3: Cross multiply
    152,727.35x = 210,775.27 × 84,757.16
  4. Step 4: Simplify right side
    152,727.35x = 17,864,713,283.43
  5. Step 5: Solve for x
    x = 17,864,713,283.43/152,727.35
  6. Step 6: Final answer
    x = 116,971.28

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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.