Home / 121,678.26-182,516.64-49,630.89

Finding the Fourth Proportional to 121,678.26, 182,516.64 and 49,630.89

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Solution

The fourth proportional to 121,678.26, 182,516.64 and 49,630.89 is: 74,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,678.26 : 182,516.64 = 49,630.89 : x
  2. Step 2: Convert to fraction form
    121,678.26/182,516.64 = 49,630.89/x
  3. Step 3: Cross multiply
    121,678.26x = 182,516.64 × 49,630.89
  4. Step 4: Simplify right side
    121,678.26x = 9,058,463,283.01
  5. Step 5: Solve for x
    x = 9,058,463,283.01/121,678.26
  6. Step 6: Final answer
    x = 74,446.03

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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.