Home / 158,270.37-218,415.87-97,839.51

Finding the Fourth Proportional to 158,270.37, 218,415.87 and 97,839.51

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Solution

The fourth proportional to 158,270.37, 218,415.87 and 97,839.51 is: 135,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,270.37 : 218,415.87 = 97,839.51 : x
  2. Step 2: Convert to fraction form
    158,270.37/218,415.87 = 97,839.51/x
  3. Step 3: Cross multiply
    158,270.37x = 218,415.87 × 97,839.51
  4. Step 4: Simplify right side
    158,270.37x = 21,369,701,697.02
  5. Step 5: Solve for x
    x = 21,369,701,697.02/158,270.37
  6. Step 6: Final answer
    x = 135,020.23

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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.