Home / 102,675.69-141,688.31-57,352.95

Finding the Fourth Proportional to 102,675.69, 141,688.31 and 57,352.95

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Solution

The fourth proportional to 102,675.69, 141,688.31 and 57,352.95 is: 79,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,675.69 : 141,688.31 = 57,352.95 : x
  2. Step 2: Convert to fraction form
    102,675.69/141,688.31 = 57,352.95/x
  3. Step 3: Cross multiply
    102,675.69x = 141,688.31 × 57,352.95
  4. Step 4: Simplify right side
    102,675.69x = 8,126,242,272.25
  5. Step 5: Solve for x
    x = 8,126,242,272.25/102,675.69
  6. Step 6: Final answer
    x = 79,144.75

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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.