Home / 107,943.12-160,829.40-101,907

Finding the Fourth Proportional to 107,943.12, 160,829.40 and 101,907

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Solution

The fourth proportional to 107,943.12, 160,829.40 and 101,907 is: 151,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,943.12 : 160,829.40 = 101,907 : x
  2. Step 2: Convert to fraction form
    107,943.12/160,829.40 = 101,907/x
  3. Step 3: Cross multiply
    107,943.12x = 160,829.40 × 101,907
  4. Step 4: Simplify right side
    107,943.12x = 16,389,641,665.80
  5. Step 5: Solve for x
    x = 16,389,641,665.80/107,943.12
  6. Step 6: Final answer
    x = 151,835.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.