Home / 104,028.12-156,065.22-40,854.30

Finding the Fourth Proportional to 104,028.12, 156,065.22 and 40,854.30

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Solution

The fourth proportional to 104,028.12, 156,065.22 and 40,854.30 is: 61,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.12 : 156,065.22 = 40,854.30 : x
  2. Step 2: Convert to fraction form
    104,028.12/156,065.22 = 40,854.30/x
  3. Step 3: Cross multiply
    104,028.12x = 156,065.22 × 40,854.30
  4. Step 4: Simplify right side
    104,028.12x = 6,375,935,317.45
  5. Step 5: Solve for x
    x = 6,375,935,317.45/104,028.12
  6. Step 6: Final answer
    x = 61,290.50

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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.