Home / 96,774.30-144,969.45-85,228.70

Finding the Fourth Proportional to 96,774.30, 144,969.45 and 85,228.70

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Solution

The fourth proportional to 96,774.30, 144,969.45 and 85,228.70 is: 127,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,774.30 : 144,969.45 = 85,228.70 : x
  2. Step 2: Convert to fraction form
    96,774.30/144,969.45 = 85,228.70/x
  3. Step 3: Cross multiply
    96,774.30x = 144,969.45 × 85,228.70
  4. Step 4: Simplify right side
    96,774.30x = 12,355,557,763.22
  5. Step 5: Solve for x
    x = 12,355,557,763.22/96,774.30
  6. Step 6: Final answer
    x = 127,673.96

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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.