Home / 109,505.56-164,350.66-42,992.40

Finding the Fourth Proportional to 109,505.56, 164,350.66 and 42,992.40

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Solution

The fourth proportional to 109,505.56, 164,350.66 and 42,992.40 is: 64,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,505.56 : 164,350.66 = 42,992.40 : x
  2. Step 2: Convert to fraction form
    109,505.56/164,350.66 = 42,992.40/x
  3. Step 3: Cross multiply
    109,505.56x = 164,350.66 × 42,992.40
  4. Step 4: Simplify right side
    109,505.56x = 7,065,829,314.98
  5. Step 5: Solve for x
    x = 7,065,829,314.98/109,505.56
  6. Step 6: Final answer
    x = 64,524.85

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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.