Home / 146,217.12-219,346.58-45,023.72

Finding the Fourth Proportional to 146,217.12, 219,346.58 and 45,023.72

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Solution

The fourth proportional to 146,217.12, 219,346.58 and 45,023.72 is: 67,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,217.12 : 219,346.58 = 45,023.72 : x
  2. Step 2: Convert to fraction form
    146,217.12/219,346.58 = 45,023.72/x
  3. Step 3: Cross multiply
    146,217.12x = 219,346.58 × 45,023.72
  4. Step 4: Simplify right side
    146,217.12x = 9,875,797,679.03
  5. Step 5: Solve for x
    x = 9,875,797,679.03/146,217.12
  6. Step 6: Final answer
    x = 67,542.01

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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.