Home / 121,239.86-181,743.14-62,103.38

Finding the Fourth Proportional to 121,239.86, 181,743.14 and 62,103.38

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Solution

The fourth proportional to 121,239.86, 181,743.14 and 62,103.38 is: 93,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,239.86 : 181,743.14 = 62,103.38 : x
  2. Step 2: Convert to fraction form
    121,239.86/181,743.14 = 62,103.38/x
  3. Step 3: Cross multiply
    121,239.86x = 181,743.14 × 62,103.38
  4. Step 4: Simplify right side
    121,239.86x = 11,286,863,285.81
  5. Step 5: Solve for x
    x = 11,286,863,285.81/121,239.86
  6. Step 6: Final answer
    x = 93,095.32

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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.