Home / 104,649.70-156,973.14-25,764.58

Finding the Fourth Proportional to 104,649.70, 156,973.14 and 25,764.58

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Solution

The fourth proportional to 104,649.70, 156,973.14 and 25,764.58 is: 38,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,649.70 : 156,973.14 = 25,764.58 : x
  2. Step 2: Convert to fraction form
    104,649.70/156,973.14 = 25,764.58/x
  3. Step 3: Cross multiply
    104,649.70x = 156,973.14 × 25,764.58
  4. Step 4: Simplify right side
    104,649.70x = 4,044,347,023.38
  5. Step 5: Solve for x
    x = 4,044,347,023.38/104,649.70
  6. Step 6: Final answer
    x = 38,646.52

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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.