Home / 146,216.80-219,325.20-87,234.40

Finding the Fourth Proportional to 146,216.80, 219,325.20 and 87,234.40

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Solution

The fourth proportional to 146,216.80, 219,325.20 and 87,234.40 is: 130,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,216.80 : 219,325.20 = 87,234.40 : x
  2. Step 2: Convert to fraction form
    146,216.80/219,325.20 = 87,234.40/x
  3. Step 3: Cross multiply
    146,216.80x = 219,325.20 × 87,234.40
  4. Step 4: Simplify right side
    146,216.80x = 19,132,702,226.88
  5. Step 5: Solve for x
    x = 19,132,702,226.88/146,216.80
  6. Step 6: Final answer
    x = 130,851.60

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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.