Home / 102,623.92-141,623.42-57,300.37

Finding the Fourth Proportional to 102,623.92, 141,623.42 and 57,300.37

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Solution

The fourth proportional to 102,623.92, 141,623.42 and 57,300.37 is: 79,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.92 : 141,623.42 = 57,300.37 : x
  2. Step 2: Convert to fraction form
    102,623.92/141,623.42 = 57,300.37/x
  3. Step 3: Cross multiply
    102,623.92x = 141,623.42 × 57,300.37
  4. Step 4: Simplify right side
    102,623.92x = 8,115,074,366.67
  5. Step 5: Solve for x
    x = 8,115,074,366.67/102,623.92
  6. Step 6: Final answer
    x = 79,075.86

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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.