Home / 146,074.34-219,109.26-74,955.96

Finding the Fourth Proportional to 146,074.34, 219,109.26 and 74,955.96

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Solution

The fourth proportional to 146,074.34, 219,109.26 and 74,955.96 is: 112,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,074.34 : 219,109.26 = 74,955.96 : x
  2. Step 2: Convert to fraction form
    146,074.34/219,109.26 = 74,955.96/x
  3. Step 3: Cross multiply
    146,074.34x = 219,109.26 × 74,955.96
  4. Step 4: Simplify right side
    146,074.34x = 16,423,544,928.19
  5. Step 5: Solve for x
    x = 16,423,544,928.19/146,074.34
  6. Step 6: Final answer
    x = 112,432.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.