Home / 105,661.80-158,633.47-61,320.38

Finding the Fourth Proportional to 105,661.80, 158,633.47 and 61,320.38

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Solution

The fourth proportional to 105,661.80, 158,633.47 and 61,320.38 is: 92,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,661.80 : 158,633.47 = 61,320.38 : x
  2. Step 2: Convert to fraction form
    105,661.80/158,633.47 = 61,320.38/x
  3. Step 3: Cross multiply
    105,661.80x = 158,633.47 × 61,320.38
  4. Step 4: Simplify right side
    105,661.80x = 9,727,464,661.12
  5. Step 5: Solve for x
    x = 9,727,464,661.12/105,661.80
  6. Step 6: Final answer
    x = 92,062.27

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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.