Home / 153,028.20-229,542.30-47,879.40

Finding the Fourth Proportional to 153,028.20, 229,542.30 and 47,879.40

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Solution

The fourth proportional to 153,028.20, 229,542.30 and 47,879.40 is: 71,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,028.20 : 229,542.30 = 47,879.40 : x
  2. Step 2: Convert to fraction form
    153,028.20/229,542.30 = 47,879.40/x
  3. Step 3: Cross multiply
    153,028.20x = 229,542.30 × 47,879.40
  4. Step 4: Simplify right side
    153,028.20x = 10,990,347,598.62
  5. Step 5: Solve for x
    x = 10,990,347,598.62/153,028.20
  6. Step 6: Final answer
    x = 71,819.10

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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.