Home / 114,121.06-171,148.13-42,992.38

Finding the Fourth Proportional to 114,121.06, 171,148.13 and 42,992.38

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Solution

The fourth proportional to 114,121.06, 171,148.13 and 42,992.38 is: 64,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,121.06 : 171,148.13 = 42,992.38 : x
  2. Step 2: Convert to fraction form
    114,121.06/171,148.13 = 42,992.38/x
  3. Step 3: Cross multiply
    114,121.06x = 171,148.13 × 42,992.38
  4. Step 4: Simplify right side
    114,121.06x = 7,358,064,370.55
  5. Step 5: Solve for x
    x = 7,358,064,370.55/114,121.06
  6. Step 6: Final answer
    x = 64,475.96

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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.