Home / 103,193.26-154,779.50-28,320.93

Finding the Fourth Proportional to 103,193.26, 154,779.50 and 28,320.93

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Solution

The fourth proportional to 103,193.26, 154,779.50 and 28,320.93 is: 42,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,193.26 : 154,779.50 = 28,320.93 : x
  2. Step 2: Convert to fraction form
    103,193.26/154,779.50 = 28,320.93/x
  3. Step 3: Cross multiply
    103,193.26x = 154,779.50 × 28,320.93
  4. Step 4: Simplify right side
    103,193.26x = 4,383,499,455.74
  5. Step 5: Solve for x
    x = 4,383,499,455.74/103,193.26
  6. Step 6: Final answer
    x = 42,478.55

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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.