Home / 187,531.20-258,783.04-102,631.84

Finding the Fourth Proportional to 187,531.20, 258,783.04 and 102,631.84

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Solution

The fourth proportional to 187,531.20, 258,783.04 and 102,631.84 is: 141,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,531.20 : 258,783.04 = 102,631.84 : x
  2. Step 2: Convert to fraction form
    187,531.20/258,783.04 = 102,631.84/x
  3. Step 3: Cross multiply
    187,531.20x = 258,783.04 × 102,631.84
  4. Step 4: Simplify right side
    187,531.20x = 26,559,379,555.99
  5. Step 5: Solve for x
    x = 26,559,379,555.99/187,531.20
  6. Step 6: Final answer
    x = 141,626.46

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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.