Home / 111,690.92-167,536.06-45,130.28

Finding the Fourth Proportional to 111,690.92, 167,536.06 and 45,130.28

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Solution

The fourth proportional to 111,690.92, 167,536.06 and 45,130.28 is: 67,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,690.92 : 167,536.06 = 45,130.28 : x
  2. Step 2: Convert to fraction form
    111,690.92/167,536.06 = 45,130.28/x
  3. Step 3: Cross multiply
    111,690.92x = 167,536.06 × 45,130.28
  4. Step 4: Simplify right side
    111,690.92x = 7,560,948,347.39
  5. Step 5: Solve for x
    x = 7,560,948,347.39/111,690.92
  6. Step 6: Final answer
    x = 67,695.28

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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.