Home / 93,971.02-140,619.81-81,364.27

Finding the Fourth Proportional to 93,971.02, 140,619.81 and 81,364.27

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Solution

The fourth proportional to 93,971.02, 140,619.81 and 81,364.27 is: 121,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,971.02 : 140,619.81 = 81,364.27 : x
  2. Step 2: Convert to fraction form
    93,971.02/140,619.81 = 81,364.27/x
  3. Step 3: Cross multiply
    93,971.02x = 140,619.81 × 81,364.27
  4. Step 4: Simplify right side
    93,971.02x = 11,441,427,310.35
  5. Step 5: Solve for x
    x = 11,441,427,310.35/93,971.02
  6. Step 6: Final answer
    x = 121,754.85

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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.