Home / 105,273.26-145,291.91-67,020.58

Finding the Fourth Proportional to 105,273.26, 145,291.91 and 67,020.58

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Solution

The fourth proportional to 105,273.26, 145,291.91 and 67,020.58 is: 92,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,273.26 : 145,291.91 = 67,020.58 : x
  2. Step 2: Convert to fraction form
    105,273.26/145,291.91 = 67,020.58/x
  3. Step 3: Cross multiply
    105,273.26x = 145,291.91 × 67,020.58
  4. Step 4: Simplify right side
    105,273.26x = 9,737,548,077.51
  5. Step 5: Solve for x
    x = 9,737,548,077.51/105,273.26
  6. Step 6: Final answer
    x = 92,497.83

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1.5x scale

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.