Home / 231,120.40-346,714.20-98,000.40

Finding the Fourth Proportional to 231,120.40, 346,714.20 and 98,000.40

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Solution

The fourth proportional to 231,120.40, 346,714.20 and 98,000.40 is: 147,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,120.40 : 346,714.20 = 98,000.40 : x
  2. Step 2: Convert to fraction form
    231,120.40/346,714.20 = 98,000.40/x
  3. Step 3: Cross multiply
    231,120.40x = 346,714.20 × 98,000.40
  4. Step 4: Simplify right side
    231,120.40x = 33,978,130,285.68
  5. Step 5: Solve for x
    x = 33,978,130,285.68/231,120.40
  6. Step 6: Final answer
    x = 147,014.85

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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.