Home / 187,576.90-258,880.77-106,985.95

Finding the Fourth Proportional to 187,576.90, 258,880.77 and 106,985.95

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Solution

The fourth proportional to 187,576.90, 258,880.77 and 106,985.95 is: 147,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,576.90 : 258,880.77 = 106,985.95 : x
  2. Step 2: Convert to fraction form
    187,576.90/258,880.77 = 106,985.95/x
  3. Step 3: Cross multiply
    187,576.90x = 258,880.77 × 106,985.95
  4. Step 4: Simplify right side
    187,576.90x = 27,696,604,467.98
  5. Step 5: Solve for x
    x = 27,696,604,467.98/187,576.90
  6. Step 6: Final answer
    x = 147,654.67

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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.