Home / 152,020.44-209,786.81-84,039.17

Finding the Fourth Proportional to 152,020.44, 209,786.81 and 84,039.17

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Solution

The fourth proportional to 152,020.44, 209,786.81 and 84,039.17 is: 115,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,020.44 : 209,786.81 = 84,039.17 : x
  2. Step 2: Convert to fraction form
    152,020.44/209,786.81 = 84,039.17/x
  3. Step 3: Cross multiply
    152,020.44x = 209,786.81 × 84,039.17
  4. Step 4: Simplify right side
    152,020.44x = 17,630,308,550.51
  5. Step 5: Solve for x
    x = 17,630,308,550.51/152,020.44
  6. Step 6: Final answer
    x = 115,973.28

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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.