Home / 96,739.20-145,108.80-67,214.70

Finding the Fourth Proportional to 96,739.20, 145,108.80 and 67,214.70

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Solution

The fourth proportional to 96,739.20, 145,108.80 and 67,214.70 is: 100,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,739.20 : 145,108.80 = 67,214.70 : x
  2. Step 2: Convert to fraction form
    96,739.20/145,108.80 = 67,214.70/x
  3. Step 3: Cross multiply
    96,739.20x = 145,108.80 × 67,214.70
  4. Step 4: Simplify right side
    96,739.20x = 9,753,444,459.36
  5. Step 5: Solve for x
    x = 9,753,444,459.36/96,739.20
  6. Step 6: Final answer
    x = 100,822.05

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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.