Home / 152,744.09-210,781.33-84,764.03

Finding the Fourth Proportional to 152,744.09, 210,781.33 and 84,764.03

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Solution

The fourth proportional to 152,744.09, 210,781.33 and 84,764.03 is: 116,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,744.09 : 210,781.33 = 84,764.03 : x
  2. Step 2: Convert to fraction form
    152,744.09/210,781.33 = 84,764.03/x
  3. Step 3: Cross multiply
    152,744.09x = 210,781.33 × 84,764.03
  4. Step 4: Simplify right side
    152,744.09x = 17,866,674,979.56
  5. Step 5: Solve for x
    x = 17,866,674,979.56/152,744.09
  6. Step 6: Final answer
    x = 116,971.30

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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.