Home / 121,042.88-181,538.40-50,903.36

Finding the Fourth Proportional to 121,042.88, 181,538.40 and 50,903.36

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Solution

The fourth proportional to 121,042.88, 181,538.40 and 50,903.36 is: 76,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,042.88 : 181,538.40 = 50,903.36 : x
  2. Step 2: Convert to fraction form
    121,042.88/181,538.40 = 50,903.36/x
  3. Step 3: Cross multiply
    121,042.88x = 181,538.40 × 50,903.36
  4. Step 4: Simplify right side
    121,042.88x = 9,240,914,529.02
  5. Step 5: Solve for x
    x = 9,240,914,529.02/121,042.88
  6. Step 6: Final answer
    x = 76,344.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.