Home / 144,164.20-216,246.30-135,999.40

Finding the Fourth Proportional to 144,164.20, 216,246.30 and 135,999.40

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Solution

The fourth proportional to 144,164.20, 216,246.30 and 135,999.40 is: 203,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,164.20 : 216,246.30 = 135,999.40 : x
  2. Step 2: Convert to fraction form
    144,164.20/216,246.30 = 135,999.40/x
  3. Step 3: Cross multiply
    144,164.20x = 216,246.30 × 135,999.40
  4. Step 4: Simplify right side
    144,164.20x = 29,409,367,052.22
  5. Step 5: Solve for x
    x = 29,409,367,052.22/144,164.20
  6. Step 6: Final answer
    x = 203,999.10

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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.