Home / 102,762.44-141,801.31-57,435.65

Finding the Fourth Proportional to 102,762.44, 141,801.31 and 57,435.65

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Solution

The fourth proportional to 102,762.44, 141,801.31 and 57,435.65 is: 79,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,762.44 : 141,801.31 = 57,435.65 : x
  2. Step 2: Convert to fraction form
    102,762.44/141,801.31 = 57,435.65/x
  3. Step 3: Cross multiply
    102,762.44x = 141,801.31 × 57,435.65
  4. Step 4: Simplify right side
    102,762.44x = 8,144,450,410.70
  5. Step 5: Solve for x
    x = 8,144,450,410.70/102,762.44
  6. Step 6: Final answer
    x = 79,255.13

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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.