Home / 152,337.60-228,355.74-72,234.66

Finding the Fourth Proportional to 152,337.60, 228,355.74 and 72,234.66

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Solution

The fourth proportional to 152,337.60, 228,355.74 and 72,234.66 is: 108,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,337.60 : 228,355.74 = 72,234.66 : x
  2. Step 2: Convert to fraction form
    152,337.60/228,355.74 = 72,234.66/x
  3. Step 3: Cross multiply
    152,337.60x = 228,355.74 × 72,234.66
  4. Step 4: Simplify right side
    152,337.60x = 16,495,199,237.95
  5. Step 5: Solve for x
    x = 16,495,199,237.95/152,337.60
  6. Step 6: Final answer
    x = 108,280.55

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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.