Home / 210,524.26-290,717.50-135,203.98

Finding the Fourth Proportional to 210,524.26, 290,717.50 and 135,203.98

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Solution

The fourth proportional to 210,524.26, 290,717.50 and 135,203.98 is: 186,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,524.26 : 290,717.50 = 135,203.98 : x
  2. Step 2: Convert to fraction form
    210,524.26/290,717.50 = 135,203.98/x
  3. Step 3: Cross multiply
    210,524.26x = 290,717.50 × 135,203.98
  4. Step 4: Simplify right side
    210,524.26x = 39,306,163,055.65
  5. Step 5: Solve for x
    x = 39,306,163,055.65/210,524.26
  6. Step 6: Final answer
    x = 186,706.10

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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.