Home / 152,936.20-211,085.70-84,976.53

Finding the Fourth Proportional to 152,936.20, 211,085.70 and 84,976.53

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Solution

The fourth proportional to 152,936.20, 211,085.70 and 84,976.53 is: 117,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,936.20 : 211,085.70 = 84,976.53 : x
  2. Step 2: Convert to fraction form
    152,936.20/211,085.70 = 84,976.53/x
  3. Step 3: Cross multiply
    152,936.20x = 211,085.70 × 84,976.53
  4. Step 4: Simplify right side
    152,936.20x = 17,937,329,208.39
  5. Step 5: Solve for x
    x = 17,937,329,208.39/152,936.20
  6. Step 6: Final answer
    x = 117,286.35

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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.