Home / 117,326.55-161,913.83-66,346.91

Finding the Fourth Proportional to 117,326.55, 161,913.83 and 66,346.91

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Solution

The fourth proportional to 117,326.55, 161,913.83 and 66,346.91 is: 91,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,326.55 : 161,913.83 = 66,346.91 : x
  2. Step 2: Convert to fraction form
    117,326.55/161,913.83 = 66,346.91/x
  3. Step 3: Cross multiply
    117,326.55x = 161,913.83 × 66,346.91
  4. Step 4: Simplify right side
    117,326.55x = 10,742,481,165.46
  5. Step 5: Solve for x
    x = 10,742,481,165.46/117,326.55
  6. Step 6: Final answer
    x = 91,560.53

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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.