Home / 148,185.90-204,536.07-91,565.28

Finding the Fourth Proportional to 148,185.90, 204,536.07 and 91,565.28

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Solution

The fourth proportional to 148,185.90, 204,536.07 and 91,565.28 is: 126,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,185.90 : 204,536.07 = 91,565.28 : x
  2. Step 2: Convert to fraction form
    148,185.90/204,536.07 = 91,565.28/x
  3. Step 3: Cross multiply
    148,185.90x = 204,536.07 × 91,565.28
  4. Step 4: Simplify right side
    148,185.90x = 18,728,402,519.65
  5. Step 5: Solve for x
    x = 18,728,402,519.65/148,185.90
  6. Step 6: Final answer
    x = 126,384.51

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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.