Home / 108,814.35-149,916.79-84,200.53

Finding the Fourth Proportional to 108,814.35, 149,916.79 and 84,200.53

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Solution

The fourth proportional to 108,814.35, 149,916.79 and 84,200.53 is: 116,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,814.35 : 149,916.79 = 84,200.53 : x
  2. Step 2: Convert to fraction form
    108,814.35/149,916.79 = 84,200.53/x
  3. Step 3: Cross multiply
    108,814.35x = 149,916.79 × 84,200.53
  4. Step 4: Simplify right side
    108,814.35x = 12,623,073,150.79
  5. Step 5: Solve for x
    x = 12,623,073,150.79/108,814.35
  6. Step 6: Final answer
    x = 116,005.60

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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.