Home / 144,771.40-217,080.30-51,280.20

Finding the Fourth Proportional to 144,771.40, 217,080.30 and 51,280.20

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Solution

The fourth proportional to 144,771.40, 217,080.30 and 51,280.20 is: 76,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,771.40 : 217,080.30 = 51,280.20 : x
  2. Step 2: Convert to fraction form
    144,771.40/217,080.30 = 51,280.20/x
  3. Step 3: Cross multiply
    144,771.40x = 217,080.30 × 51,280.20
  4. Step 4: Simplify right side
    144,771.40x = 11,131,921,200.06
  5. Step 5: Solve for x
    x = 11,131,921,200.06/144,771.40
  6. Step 6: Final answer
    x = 76,893.10

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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.