Home / 117,108.68-175,670.22-46,978.88

Finding the Fourth Proportional to 117,108.68, 175,670.22 and 46,978.88

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Solution

The fourth proportional to 117,108.68, 175,670.22 and 46,978.88 is: 70,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,108.68 : 175,670.22 = 46,978.88 : x
  2. Step 2: Convert to fraction form
    117,108.68/175,670.22 = 46,978.88/x
  3. Step 3: Cross multiply
    117,108.68x = 175,670.22 × 46,978.88
  4. Step 4: Simplify right side
    117,108.68x = 8,252,790,184.95
  5. Step 5: Solve for x
    x = 8,252,790,184.95/117,108.68
  6. Step 6: Final answer
    x = 70,471.21

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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.