Home / 104,869.31-144,805.08-85,491.33

Finding the Fourth Proportional to 104,869.31, 144,805.08 and 85,491.33

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Solution

The fourth proportional to 104,869.31, 144,805.08 and 85,491.33 is: 118,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,869.31 : 144,805.08 = 85,491.33 : x
  2. Step 2: Convert to fraction form
    104,869.31/144,805.08 = 85,491.33/x
  3. Step 3: Cross multiply
    104,869.31x = 144,805.08 × 85,491.33
  4. Step 4: Simplify right side
    104,869.31x = 12,379,578,879.96
  5. Step 5: Solve for x
    x = 12,379,578,879.96/104,869.31
  6. Step 6: Final answer
    x = 118,047.69

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1.5x scale

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.