Home / 121,185.55-181,693.98-53,680.93

Finding the Fourth Proportional to 121,185.55, 181,693.98 and 53,680.93

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Solution

The fourth proportional to 121,185.55, 181,693.98 and 53,680.93 is: 80,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,185.55 : 181,693.98 = 53,680.93 : x
  2. Step 2: Convert to fraction form
    121,185.55/181,693.98 = 53,680.93/x
  3. Step 3: Cross multiply
    121,185.55x = 181,693.98 × 53,680.93
  4. Step 4: Simplify right side
    121,185.55x = 9,753,501,821.80
  5. Step 5: Solve for x
    x = 9,753,501,821.80/121,185.55
  6. Step 6: Final answer
    x = 80,484.03

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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.