Home / 82,798.20-124,197.30-30,200.85

Finding the Fourth Proportional to 82,798.20, 124,197.30 and 30,200.85

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Solution

The fourth proportional to 82,798.20, 124,197.30 and 30,200.85 is: 45,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798.20 : 124,197.30 = 30,200.85 : x
  2. Step 2: Convert to fraction form
    82,798.20/124,197.30 = 30,200.85/x
  3. Step 3: Cross multiply
    82,798.20x = 124,197.30 × 30,200.85
  4. Step 4: Simplify right side
    82,798.20x = 3,750,864,027.71
  5. Step 5: Solve for x
    x = 3,750,864,027.71/82,798.20
  6. Step 6: Final answer
    x = 45,301.28

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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.