Home / 113,583.12-170,352.72-43,445.76

Finding the Fourth Proportional to 113,583.12, 170,352.72 and 43,445.76

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Solution

The fourth proportional to 113,583.12, 170,352.72 and 43,445.76 is: 65,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,583.12 : 170,352.72 = 43,445.76 : x
  2. Step 2: Convert to fraction form
    113,583.12/170,352.72 = 43,445.76/x
  3. Step 3: Cross multiply
    113,583.12x = 170,352.72 × 43,445.76
  4. Step 4: Simplify right side
    113,583.12x = 7,401,103,388.47
  5. Step 5: Solve for x
    x = 7,401,103,388.47/113,583.12
  6. Step 6: Final answer
    x = 65,160.24

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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.