Home / 134,932-186,209.12-74,502.48

Finding the Fourth Proportional to 134,932, 186,209.12 and 74,502.48

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Solution

The fourth proportional to 134,932, 186,209.12 and 74,502.48 is: 102,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,932 : 186,209.12 = 74,502.48 : x
  2. Step 2: Convert to fraction form
    134,932/186,209.12 = 74,502.48/x
  3. Step 3: Cross multiply
    134,932x = 186,209.12 × 74,502.48
  4. Step 4: Simplify right side
    134,932x = 13,873,041,238.62
  5. Step 5: Solve for x
    x = 13,873,041,238.62/134,932
  6. Step 6: Final answer
    x = 102,815.06

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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.