Home / 146,124.20-219,035.10-79,423.40

Finding the Fourth Proportional to 146,124.20, 219,035.10 and 79,423.40

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Solution

The fourth proportional to 146,124.20, 219,035.10 and 79,423.40 is: 119,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,124.20 : 219,035.10 = 79,423.40 : x
  2. Step 2: Convert to fraction form
    146,124.20/219,035.10 = 79,423.40/x
  3. Step 3: Cross multiply
    146,124.20x = 219,035.10 × 79,423.40
  4. Step 4: Simplify right side
    146,124.20x = 17,396,512,361.34
  5. Step 5: Solve for x
    x = 17,396,512,361.34/146,124.20
  6. Step 6: Final answer
    x = 119,052.92

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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.