Home / 121,110.30-181,666.53-42,224.40

Finding the Fourth Proportional to 121,110.30, 181,666.53 and 42,224.40

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Solution

The fourth proportional to 121,110.30, 181,666.53 and 42,224.40 is: 63,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,110.30 : 181,666.53 = 42,224.40 : x
  2. Step 2: Convert to fraction form
    121,110.30/181,666.53 = 42,224.40/x
  3. Step 3: Cross multiply
    121,110.30x = 181,666.53 × 42,224.40
  4. Step 4: Simplify right side
    121,110.30x = 7,670,760,229.33
  5. Step 5: Solve for x
    x = 7,670,760,229.33/121,110.30
  6. Step 6: Final answer
    x = 63,336.98

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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.