Home / 113,690.39-170,462.68-47,176.43

Finding the Fourth Proportional to 113,690.39, 170,462.68 and 47,176.43

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Solution

The fourth proportional to 113,690.39, 170,462.68 and 47,176.43 is: 70,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,690.39 : 170,462.68 = 47,176.43 : x
  2. Step 2: Convert to fraction form
    113,690.39/170,462.68 = 47,176.43/x
  3. Step 3: Cross multiply
    113,690.39x = 170,462.68 × 47,176.43
  4. Step 4: Simplify right side
    113,690.39x = 8,041,819,720.38
  5. Step 5: Solve for x
    x = 8,041,819,720.38/113,690.39
  6. Step 6: Final answer
    x = 70,734.39

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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.