Home / 76,930.34-115,444.11-30,182.18

Finding the Fourth Proportional to 76,930.34, 115,444.11 and 30,182.18

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Solution

The fourth proportional to 76,930.34, 115,444.11 and 30,182.18 is: 45,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,930.34 : 115,444.11 = 30,182.18 : x
  2. Step 2: Convert to fraction form
    76,930.34/115,444.11 = 30,182.18/x
  3. Step 3: Cross multiply
    76,930.34x = 115,444.11 × 30,182.18
  4. Step 4: Simplify right side
    76,930.34x = 3,484,354,907.96
  5. Step 5: Solve for x
    x = 3,484,354,907.96/76,930.34
  6. Step 6: Final answer
    x = 45,292.34

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1.5x scale

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.