Home / 292,922.58-439,383.90-105,890.34

Finding the Fourth Proportional to 292,922.58, 439,383.90 and 105,890.34

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Solution

The fourth proportional to 292,922.58, 439,383.90 and 105,890.34 is: 158,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,922.58 : 439,383.90 = 105,890.34 : x
  2. Step 2: Convert to fraction form
    292,922.58/439,383.90 = 105,890.34/x
  3. Step 3: Cross multiply
    292,922.58x = 439,383.90 × 105,890.34
  4. Step 4: Simplify right side
    292,922.58x = 46,526,510,561.53
  5. Step 5: Solve for x
    x = 46,526,510,561.53/292,922.58
  6. Step 6: Final answer
    x = 158,835.52

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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.