Home / 134,668.32-185,841.96-74,238.48

Finding the Fourth Proportional to 134,668.32, 185,841.96 and 74,238.48

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Solution

The fourth proportional to 134,668.32, 185,841.96 and 74,238.48 is: 102,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,668.32 : 185,841.96 = 74,238.48 : x
  2. Step 2: Convert to fraction form
    134,668.32/185,841.96 = 74,238.48/x
  3. Step 3: Cross multiply
    134,668.32x = 185,841.96 × 74,238.48
  4. Step 4: Simplify right side
    134,668.32x = 13,796,624,630.62
  5. Step 5: Solve for x
    x = 13,796,624,630.62/134,668.32
  6. Step 6: Final answer
    x = 102,448.93

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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.