Home / 117,094.40-161,550.61-76,239.87

Finding the Fourth Proportional to 117,094.40, 161,550.61 and 76,239.87

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Solution

The fourth proportional to 117,094.40, 161,550.61 and 76,239.87 is: 105,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,094.40 : 161,550.61 = 76,239.87 : x
  2. Step 2: Convert to fraction form
    117,094.40/161,550.61 = 76,239.87/x
  3. Step 3: Cross multiply
    117,094.40x = 161,550.61 × 76,239.87
  4. Step 4: Simplify right side
    117,094.40x = 12,316,597,504.82
  5. Step 5: Solve for x
    x = 12,316,597,504.82/117,094.40
  6. Step 6: Final answer
    x = 105,185.20

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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.