Home / 152,940.71-211,091.91-84,981.03

Finding the Fourth Proportional to 152,940.71, 211,091.91 and 84,981.03

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Solution

The fourth proportional to 152,940.71, 211,091.91 and 84,981.03 is: 117,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,940.71 : 211,091.91 = 84,981.03 : x
  2. Step 2: Convert to fraction form
    152,940.71/211,091.91 = 84,981.03/x
  3. Step 3: Cross multiply
    152,940.71x = 211,091.91 × 84,981.03
  4. Step 4: Simplify right side
    152,940.71x = 17,938,807,936.47
  5. Step 5: Solve for x
    x = 17,938,807,936.47/152,940.71
  6. Step 6: Final answer
    x = 117,292.57

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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.