Home / 121,096.36-181,645.48-42,210.36

Finding the Fourth Proportional to 121,096.36, 181,645.48 and 42,210.36

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Solution

The fourth proportional to 121,096.36, 181,645.48 and 42,210.36 is: 63,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,096.36 : 181,645.48 = 42,210.36 : x
  2. Step 2: Convert to fraction form
    121,096.36/181,645.48 = 42,210.36/x
  3. Step 3: Cross multiply
    121,096.36x = 181,645.48 × 42,210.36
  4. Step 4: Simplify right side
    121,096.36x = 7,667,321,103.17
  5. Step 5: Solve for x
    x = 7,667,321,103.17/121,096.36
  6. Step 6: Final answer
    x = 63,315.87

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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.