Home / 103,516.92-142,849.67-57,576.30

Finding the Fourth Proportional to 103,516.92, 142,849.67 and 57,576.30

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Solution

The fourth proportional to 103,516.92, 142,849.67 and 57,576.30 is: 79,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,516.92 : 142,849.67 = 57,576.30 : x
  2. Step 2: Convert to fraction form
    103,516.92/142,849.67 = 57,576.30/x
  3. Step 3: Cross multiply
    103,516.92x = 142,849.67 × 57,576.30
  4. Step 4: Simplify right side
    103,516.92x = 8,224,755,166.94
  5. Step 5: Solve for x
    x = 8,224,755,166.94/103,516.92
  6. Step 6: Final answer
    x = 79,453.24

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1.5x scale

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.