Home / 187,878.69-259,267.23-107,304.55

Finding the Fourth Proportional to 187,878.69, 259,267.23 and 107,304.55

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Solution

The fourth proportional to 187,878.69, 259,267.23 and 107,304.55 is: 148,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,878.69 : 259,267.23 = 107,304.55 : x
  2. Step 2: Convert to fraction form
    187,878.69/259,267.23 = 107,304.55/x
  3. Step 3: Cross multiply
    187,878.69x = 259,267.23 × 107,304.55
  4. Step 4: Simplify right side
    187,878.69x = 27,820,552,796.73
  5. Step 5: Solve for x
    x = 27,820,552,796.73/187,878.69
  6. Step 6: Final answer
    x = 148,077.21

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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.