Home / 114,981.16-172,458.60-30,747.89

Finding the Fourth Proportional to 114,981.16, 172,458.60 and 30,747.89

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Solution

The fourth proportional to 114,981.16, 172,458.60 and 30,747.89 is: 46,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,981.16 : 172,458.60 = 30,747.89 : x
  2. Step 2: Convert to fraction form
    114,981.16/172,458.60 = 30,747.89/x
  3. Step 3: Cross multiply
    114,981.16x = 172,458.60 × 30,747.89
  4. Step 4: Simplify right side
    114,981.16x = 5,302,738,062.35
  5. Step 5: Solve for x
    x = 5,302,738,062.35/114,981.16
  6. Step 6: Final answer
    x = 46,118.32

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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.