Home / 371,764.75-557,646.03-105,525.49

Finding the Fourth Proportional to 371,764.75, 557,646.03 and 105,525.49

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Solution

The fourth proportional to 371,764.75, 557,646.03 and 105,525.49 is: 158,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,764.75 : 557,646.03 = 105,525.49 : x
  2. Step 2: Convert to fraction form
    371,764.75/557,646.03 = 105,525.49/x
  3. Step 3: Cross multiply
    371,764.75x = 557,646.03 × 105,525.49
  4. Step 4: Simplify right side
    371,764.75x = 58,845,870,562.30
  5. Step 5: Solve for x
    x = 58,845,870,562.30/371,764.75
  6. Step 6: Final answer
    x = 158,287.92

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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.