Home / 74,051.82-102,188.97-42,230.96

Finding the Fourth Proportional to 74,051.82, 102,188.97 and 42,230.96

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Solution

The fourth proportional to 74,051.82, 102,188.97 and 42,230.96 is: 58,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.82 : 102,188.97 = 42,230.96 : x
  2. Step 2: Convert to fraction form
    74,051.82/102,188.97 = 42,230.96/x
  3. Step 3: Cross multiply
    74,051.82x = 102,188.97 × 42,230.96
  4. Step 4: Simplify right side
    74,051.82x = 4,315,538,304.51
  5. Step 5: Solve for x
    x = 4,315,538,304.51/74,051.82
  6. Step 6: Final answer
    x = 58,277.28

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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.