Home / 210,178.56-290,040.72-114,685.28

Finding the Fourth Proportional to 210,178.56, 290,040.72 and 114,685.28

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Solution

The fourth proportional to 210,178.56, 290,040.72 and 114,685.28 is: 158,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,178.56 : 290,040.72 = 114,685.28 : x
  2. Step 2: Convert to fraction form
    210,178.56/290,040.72 = 114,685.28/x
  3. Step 3: Cross multiply
    210,178.56x = 290,040.72 × 114,685.28
  4. Step 4: Simplify right side
    210,178.56x = 33,263,401,184.60
  5. Step 5: Solve for x
    x = 33,263,401,184.60/210,178.56
  6. Step 6: Final answer
    x = 158,262.58

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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.