Home / 187,180.17-258,308.01-102,297.21

Finding the Fourth Proportional to 187,180.17, 258,308.01 and 102,297.21

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Solution

The fourth proportional to 187,180.17, 258,308.01 and 102,297.21 is: 141,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,180.17 : 258,308.01 = 102,297.21 : x
  2. Step 2: Convert to fraction form
    187,180.17/258,308.01 = 102,297.21/x
  3. Step 3: Cross multiply
    187,180.17x = 258,308.01 × 102,297.21
  4. Step 4: Simplify right side
    187,180.17x = 26,424,188,743.65
  5. Step 5: Solve for x
    x = 26,424,188,743.65/187,180.17
  6. Step 6: Final answer
    x = 141,169.81

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1.5x scale

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.