Home / 152,164.20-228,246.30-143,999.40

Finding the Fourth Proportional to 152,164.20, 228,246.30 and 143,999.40

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Solution

The fourth proportional to 152,164.20, 228,246.30 and 143,999.40 is: 215,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,164.20 : 228,246.30 = 143,999.40 : x
  2. Step 2: Convert to fraction form
    152,164.20/228,246.30 = 143,999.40/x
  3. Step 3: Cross multiply
    152,164.20x = 228,246.30 × 143,999.40
  4. Step 4: Simplify right side
    152,164.20x = 32,867,330,252.22
  5. Step 5: Solve for x
    x = 32,867,330,252.22/152,164.20
  6. Step 6: Final answer
    x = 215,999.10

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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.