Home / 96,820.56-145,260-30,267.72

Finding the Fourth Proportional to 96,820.56, 145,260 and 30,267.72

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Solution

The fourth proportional to 96,820.56, 145,260 and 30,267.72 is: 45,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,820.56 : 145,260 = 30,267.72 : x
  2. Step 2: Convert to fraction form
    96,820.56/145,260 = 30,267.72/x
  3. Step 3: Cross multiply
    96,820.56x = 145,260 × 30,267.72
  4. Step 4: Simplify right side
    96,820.56x = 4,396,689,007.20
  5. Step 5: Solve for x
    x = 4,396,689,007.20/96,820.56
  6. Step 6: Final answer
    x = 45,410.70

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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.