Home / 104,811-144,641.75-57,066.95

Finding the Fourth Proportional to 104,811, 144,641.75 and 57,066.95

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Solution

The fourth proportional to 104,811, 144,641.75 and 57,066.95 is: 78,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811 : 144,641.75 = 57,066.95 : x
  2. Step 2: Convert to fraction form
    104,811/144,641.75 = 57,066.95/x
  3. Step 3: Cross multiply
    104,811x = 144,641.75 × 57,066.95
  4. Step 4: Simplify right side
    104,811x = 8,254,262,506.62
  5. Step 5: Solve for x
    x = 8,254,262,506.62/104,811
  6. Step 6: Final answer
    x = 78,753.78

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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.