Home / 104,808.07-144,635.73-57,061.30

Finding the Fourth Proportional to 104,808.07, 144,635.73 and 57,061.30

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Solution

The fourth proportional to 104,808.07, 144,635.73 and 57,061.30 is: 78,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,808.07 : 144,635.73 = 57,061.30 : x
  2. Step 2: Convert to fraction form
    104,808.07/144,635.73 = 57,061.30/x
  3. Step 3: Cross multiply
    104,808.07x = 144,635.73 × 57,061.30
  4. Step 4: Simplify right side
    104,808.07x = 8,253,102,780.25
  5. Step 5: Solve for x
    x = 8,253,102,780.25/104,808.07
  6. Step 6: Final answer
    x = 78,744.92

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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.