Home / 104,916.30-144,784.50-57,169.64

Finding the Fourth Proportional to 104,916.30, 144,784.50 and 57,169.64

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Solution

The fourth proportional to 104,916.30, 144,784.50 and 57,169.64 is: 78,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,916.30 : 144,784.50 = 57,169.64 : x
  2. Step 2: Convert to fraction form
    104,916.30/144,784.50 = 57,169.64/x
  3. Step 3: Cross multiply
    104,916.30x = 144,784.50 × 57,169.64
  4. Step 4: Simplify right side
    104,916.30x = 8,277,277,742.58
  5. Step 5: Solve for x
    x = 8,277,277,742.58/104,916.30
  6. Step 6: Final answer
    x = 78,894.11

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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.