Home / 152,435.20-228,652.80-143,881.60

Finding the Fourth Proportional to 152,435.20, 228,652.80 and 143,881.60

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Solution

The fourth proportional to 152,435.20, 228,652.80 and 143,881.60 is: 215,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,435.20 : 228,652.80 = 143,881.60 : x
  2. Step 2: Convert to fraction form
    152,435.20/228,652.80 = 143,881.60/x
  3. Step 3: Cross multiply
    152,435.20x = 228,652.80 × 143,881.60
  4. Step 4: Simplify right side
    152,435.20x = 32,898,930,708.48
  5. Step 5: Solve for x
    x = 32,898,930,708.48/152,435.20
  6. Step 6: Final answer
    x = 215,822.40

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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.