Home / 121,231.64-181,876.08-38,125.64

Finding the Fourth Proportional to 121,231.64, 181,876.08 and 38,125.64

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Solution

The fourth proportional to 121,231.64, 181,876.08 and 38,125.64 is: 57,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,231.64 : 181,876.08 = 38,125.64 : x
  2. Step 2: Convert to fraction form
    121,231.64/181,876.08 = 38,125.64/x
  3. Step 3: Cross multiply
    121,231.64x = 181,876.08 × 38,125.64
  4. Step 4: Simplify right side
    121,231.64x = 6,934,141,950.69
  5. Step 5: Solve for x
    x = 6,934,141,950.69/121,231.64
  6. Step 6: Final answer
    x = 57,197.46

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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.