Home / 116,973.64-161,234.04-91,434.88

Finding the Fourth Proportional to 116,973.64, 161,234.04 and 91,434.88

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Solution

The fourth proportional to 116,973.64, 161,234.04 and 91,434.88 is: 126,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,973.64 : 161,234.04 = 91,434.88 : x
  2. Step 2: Convert to fraction form
    116,973.64/161,234.04 = 91,434.88/x
  3. Step 3: Cross multiply
    116,973.64x = 161,234.04 × 91,434.88
  4. Step 4: Simplify right side
    116,973.64x = 14,742,415,099.32
  5. Step 5: Solve for x
    x = 14,742,415,099.32/116,973.64
  6. Step 6: Final answer
    x = 126,031.94

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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.