Home / 158,829.23-219,195.84-105,020.93

Finding the Fourth Proportional to 158,829.23, 219,195.84 and 105,020.93

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Solution

The fourth proportional to 158,829.23, 219,195.84 and 105,020.93 is: 144,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,829.23 : 219,195.84 = 105,020.93 : x
  2. Step 2: Convert to fraction form
    158,829.23/219,195.84 = 105,020.93/x
  3. Step 3: Cross multiply
    158,829.23x = 219,195.84 × 105,020.93
  4. Step 4: Simplify right side
    158,829.23x = 23,020,149,872.95
  5. Step 5: Solve for x
    x = 23,020,149,872.95/158,829.23
  6. Step 6: Final answer
    x = 144,936.49

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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.