Home / 187,172.96-258,300.59-102,290.03

Finding the Fourth Proportional to 187,172.96, 258,300.59 and 102,290.03

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Solution

The fourth proportional to 187,172.96, 258,300.59 and 102,290.03 is: 141,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,172.96 : 258,300.59 = 102,290.03 : x
  2. Step 2: Convert to fraction form
    187,172.96/258,300.59 = 102,290.03/x
  3. Step 3: Cross multiply
    187,172.96x = 258,300.59 × 102,290.03
  4. Step 4: Simplify right side
    187,172.96x = 26,421,573,297.16
  5. Step 5: Solve for x
    x = 26,421,573,297.16/187,172.96
  6. Step 6: Final answer
    x = 141,161.28

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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.