Home / 134,736.65-185,930.27-77,336.10

Finding the Fourth Proportional to 134,736.65, 185,930.27 and 77,336.10

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Solution

The fourth proportional to 134,736.65, 185,930.27 and 77,336.10 is: 106,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,736.65 : 185,930.27 = 77,336.10 : x
  2. Step 2: Convert to fraction form
    134,736.65/185,930.27 = 77,336.10/x
  3. Step 3: Cross multiply
    134,736.65x = 185,930.27 × 77,336.10
  4. Step 4: Simplify right side
    134,736.65x = 14,379,120,637.42
  5. Step 5: Solve for x
    x = 14,379,120,637.42/134,736.65
  6. Step 6: Final answer
    x = 106,720.19

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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.