Home / 152,721.08-210,751.88-84,736.59

Finding the Fourth Proportional to 152,721.08, 210,751.88 and 84,736.59

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Solution

The fourth proportional to 152,721.08, 210,751.88 and 84,736.59 is: 116,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,721.08 : 210,751.88 = 84,736.59 : x
  2. Step 2: Convert to fraction form
    152,721.08/210,751.88 = 84,736.59/x
  3. Step 3: Cross multiply
    152,721.08x = 210,751.88 × 84,736.59
  4. Step 4: Simplify right side
    152,721.08x = 17,858,395,647.29
  5. Step 5: Solve for x
    x = 17,858,395,647.29/152,721.08
  6. Step 6: Final answer
    x = 116,934.71

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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.