Home / 93,289.26-139,906.89-40,686.06

Finding the Fourth Proportional to 93,289.26, 139,906.89 and 40,686.06

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Solution

The fourth proportional to 93,289.26, 139,906.89 and 40,686.06 is: 61,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,289.26 : 139,906.89 = 40,686.06 : x
  2. Step 2: Convert to fraction form
    93,289.26/139,906.89 = 40,686.06/x
  3. Step 3: Cross multiply
    93,289.26x = 139,906.89 × 40,686.06
  4. Step 4: Simplify right side
    93,289.26x = 5,692,260,120.95
  5. Step 5: Solve for x
    x = 5,692,260,120.95/93,289.26
  6. Step 6: Final answer
    x = 61,017.31

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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.