Home / 121,142.38-181,750.79-62,019.55

Finding the Fourth Proportional to 121,142.38, 181,750.79 and 62,019.55

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Solution

The fourth proportional to 121,142.38, 181,750.79 and 62,019.55 is: 93,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,142.38 : 181,750.79 = 62,019.55 : x
  2. Step 2: Convert to fraction form
    121,142.38/181,750.79 = 62,019.55/x
  3. Step 3: Cross multiply
    121,142.38x = 181,750.79 × 62,019.55
  4. Step 4: Simplify right side
    121,142.38x = 11,272,102,207.94
  5. Step 5: Solve for x
    x = 11,272,102,207.94/121,142.38
  6. Step 6: Final answer
    x = 93,048.38

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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.