Home / 134,825.45-186,059.66-74,397.86

Finding the Fourth Proportional to 134,825.45, 186,059.66 and 74,397.86

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Solution

The fourth proportional to 134,825.45, 186,059.66 and 74,397.86 is: 102,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,825.45 : 186,059.66 = 74,397.86 : x
  2. Step 2: Convert to fraction form
    134,825.45/186,059.66 = 74,397.86/x
  3. Step 3: Cross multiply
    134,825.45x = 186,059.66 × 74,397.86
  4. Step 4: Simplify right side
    134,825.45x = 13,842,439,234.04
  5. Step 5: Solve for x
    x = 13,842,439,234.04/134,825.45
  6. Step 6: Final answer
    x = 102,669.34

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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.