Home / 188,215.65-282,074.27-138,060.92

Finding the Fourth Proportional to 188,215.65, 282,074.27 and 138,060.92

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Solution

The fourth proportional to 188,215.65, 282,074.27 and 138,060.92 is: 206,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,215.65 : 282,074.27 = 138,060.92 : x
  2. Step 2: Convert to fraction form
    188,215.65/282,074.27 = 138,060.92/x
  3. Step 3: Cross multiply
    188,215.65x = 282,074.27 × 138,060.92
  4. Step 4: Simplify right side
    188,215.65x = 38,943,433,239.41
  5. Step 5: Solve for x
    x = 38,943,433,239.41/188,215.65
  6. Step 6: Final answer
    x = 206,908.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.