Home / 156,021.90-234,164.14-146,180.40

Finding the Fourth Proportional to 156,021.90, 234,164.14 and 146,180.40

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Solution

The fourth proportional to 156,021.90, 234,164.14 and 146,180.40 is: 219,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,021.90 : 234,164.14 = 146,180.40 : x
  2. Step 2: Convert to fraction form
    156,021.90/234,164.14 = 146,180.40/x
  3. Step 3: Cross multiply
    156,021.90x = 234,164.14 × 146,180.40
  4. Step 4: Simplify right side
    156,021.90x = 34,230,207,285.41
  5. Step 5: Solve for x
    x = 34,230,207,285.41/156,021.90
  6. Step 6: Final answer
    x = 219,393.61

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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.