Home / 104,817.71-144,647.00-57,071.06

Finding the Fourth Proportional to 104,817.71, 144,647.00 and 57,071.06

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Solution

The fourth proportional to 104,817.71, 144,647.00 and 57,071.06 is: 78,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,817.71 : 144,647.00 = 57,071.06 : x
  2. Step 2: Convert to fraction form
    104,817.71/144,647.00 = 57,071.06/x
  3. Step 3: Cross multiply
    104,817.71x = 144,647.00 × 57,071.06
  4. Step 4: Simplify right side
    104,817.71x = 8,255,157,363.67
  5. Step 5: Solve for x
    x = 8,255,157,363.67/104,817.71
  6. Step 6: Final answer
    x = 78,757.27

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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.