Home / 94,689.63-142,057.85-28,129.65

Finding the Fourth Proportional to 94,689.63, 142,057.85 and 28,129.65

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Solution

The fourth proportional to 94,689.63, 142,057.85 and 28,129.65 is: 42,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689.63 : 142,057.85 = 28,129.65 : x
  2. Step 2: Convert to fraction form
    94,689.63/142,057.85 = 28,129.65/x
  3. Step 3: Cross multiply
    94,689.63x = 142,057.85 × 28,129.65
  4. Step 4: Simplify right side
    94,689.63x = 3,996,038,283.73
  5. Step 5: Solve for x
    x = 3,996,038,283.73/94,689.63
  6. Step 6: Final answer
    x = 42,201.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.