Home / 92,686.06-139,023.60-45,282.88

Finding the Fourth Proportional to 92,686.06, 139,023.60 and 45,282.88

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Solution

The fourth proportional to 92,686.06, 139,023.60 and 45,282.88 is: 67,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,686.06 : 139,023.60 = 45,282.88 : x
  2. Step 2: Convert to fraction form
    92,686.06/139,023.60 = 45,282.88/x
  3. Step 3: Cross multiply
    92,686.06x = 139,023.60 × 45,282.88
  4. Step 4: Simplify right side
    92,686.06x = 6,295,388,995.97
  5. Step 5: Solve for x
    x = 6,295,388,995.97/92,686.06
  6. Step 6: Final answer
    x = 67,921.64

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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.