Home / 113,770.83-170,427.78-56,672.76

Finding the Fourth Proportional to 113,770.83, 170,427.78 and 56,672.76

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Solution

The fourth proportional to 113,770.83, 170,427.78 and 56,672.76 is: 84,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,770.83 : 170,427.78 = 56,672.76 : x
  2. Step 2: Convert to fraction form
    113,770.83/170,427.78 = 56,672.76/x
  3. Step 3: Cross multiply
    113,770.83x = 170,427.78 × 56,672.76
  4. Step 4: Simplify right side
    113,770.83x = 9,658,612,673.27
  5. Step 5: Solve for x
    x = 9,658,612,673.27/113,770.83
  6. Step 6: Final answer
    x = 84,895.33

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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.