Home / 136,466.24-188,337.26-76,046.72

Finding the Fourth Proportional to 136,466.24, 188,337.26 and 76,046.72

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Solution

The fourth proportional to 136,466.24, 188,337.26 and 76,046.72 is: 104,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,466.24 : 188,337.26 = 76,046.72 : x
  2. Step 2: Convert to fraction form
    136,466.24/188,337.26 = 76,046.72/x
  3. Step 3: Cross multiply
    136,466.24x = 188,337.26 × 76,046.72
  4. Step 4: Simplify right side
    136,466.24x = 14,322,430,876.79
  5. Step 5: Solve for x
    x = 14,322,430,876.79/136,466.24
  6. Step 6: Final answer
    x = 104,952.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.