Home / 106,171.77-146,513.37-58,420.65

Finding the Fourth Proportional to 106,171.77, 146,513.37 and 58,420.65

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Solution

The fourth proportional to 106,171.77, 146,513.37 and 58,420.65 is: 80,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,171.77 : 146,513.37 = 58,420.65 : x
  2. Step 2: Convert to fraction form
    106,171.77/146,513.37 = 58,420.65/x
  3. Step 3: Cross multiply
    106,171.77x = 146,513.37 × 58,420.65
  4. Step 4: Simplify right side
    106,171.77x = 8,559,406,309.09
  5. Step 5: Solve for x
    x = 8,559,406,309.09/106,171.77
  6. Step 6: Final answer
    x = 80,618.48

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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.