Home / 141,166.24-194,812.83-76,638.13

Finding the Fourth Proportional to 141,166.24, 194,812.83 and 76,638.13

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Solution

The fourth proportional to 141,166.24, 194,812.83 and 76,638.13 is: 105,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,166.24 : 194,812.83 = 76,638.13 : x
  2. Step 2: Convert to fraction form
    141,166.24/194,812.83 = 76,638.13/x
  3. Step 3: Cross multiply
    141,166.24x = 194,812.83 × 76,638.13
  4. Step 4: Simplify right side
    141,166.24x = 14,930,090,504.18
  5. Step 5: Solve for x
    x = 14,930,090,504.18/141,166.24
  6. Step 6: Final answer
    x = 105,762.47

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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.