Home / 93,928.55-140,921.99-84,004.43

Finding the Fourth Proportional to 93,928.55, 140,921.99 and 84,004.43

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Solution

The fourth proportional to 93,928.55, 140,921.99 and 84,004.43 is: 126,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,928.55 : 140,921.99 = 84,004.43 : x
  2. Step 2: Convert to fraction form
    93,928.55/140,921.99 = 84,004.43/x
  3. Step 3: Cross multiply
    93,928.55x = 140,921.99 × 84,004.43
  4. Step 4: Simplify right side
    93,928.55x = 11,838,071,024.39
  5. Step 5: Solve for x
    x = 11,838,071,024.39/93,928.55
  6. Step 6: Final answer
    x = 126,032.72

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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.