Home / 152,308.10-228,300.15-73,370.90

Finding the Fourth Proportional to 152,308.10, 228,300.15 and 73,370.90

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Solution

The fourth proportional to 152,308.10, 228,300.15 and 73,370.90 is: 109,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,308.10 : 228,300.15 = 73,370.90 : x
  2. Step 2: Convert to fraction form
    152,308.10/228,300.15 = 73,370.90/x
  3. Step 3: Cross multiply
    152,308.10x = 228,300.15 × 73,370.90
  4. Step 4: Simplify right side
    152,308.10x = 16,750,587,475.64
  5. Step 5: Solve for x
    x = 16,750,587,475.64/152,308.10
  6. Step 6: Final answer
    x = 109,978.31

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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.