Home / 142,839.26-214,261.92-48,072.32

Finding the Fourth Proportional to 142,839.26, 214,261.92 and 48,072.32

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Solution

The fourth proportional to 142,839.26, 214,261.92 and 48,072.32 is: 72,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,839.26 : 214,261.92 = 48,072.32 : x
  2. Step 2: Convert to fraction form
    142,839.26/214,261.92 = 48,072.32/x
  3. Step 3: Cross multiply
    142,839.26x = 214,261.92 × 48,072.32
  4. Step 4: Simplify right side
    142,839.26x = 10,300,066,510.74
  5. Step 5: Solve for x
    x = 10,300,066,510.74/142,839.26
  6. Step 6: Final answer
    x = 72,109.49

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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.