Home / 102,930.55-141,851.55-74,200.35

Finding the Fourth Proportional to 102,930.55, 141,851.55 and 74,200.35

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Solution

The fourth proportional to 102,930.55, 141,851.55 and 74,200.35 is: 102,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,930.55 : 141,851.55 = 74,200.35 : x
  2. Step 2: Convert to fraction form
    102,930.55/141,851.55 = 74,200.35/x
  3. Step 3: Cross multiply
    102,930.55x = 141,851.55 × 74,200.35
  4. Step 4: Simplify right side
    102,930.55x = 10,525,435,468.24
  5. Step 5: Solve for x
    x = 10,525,435,468.24/102,930.55
  6. Step 6: Final answer
    x = 102,257.65

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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.