Home / 156,987.40-235,470.30-50,369.80

Finding the Fourth Proportional to 156,987.40, 235,470.30 and 50,369.80

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Solution

The fourth proportional to 156,987.40, 235,470.30 and 50,369.80 is: 75,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.40 : 235,470.30 = 50,369.80 : x
  2. Step 2: Convert to fraction form
    156,987.40/235,470.30 = 50,369.80/x
  3. Step 3: Cross multiply
    156,987.40x = 235,470.30 × 50,369.80
  4. Step 4: Simplify right side
    156,987.40x = 11,860,591,916.94
  5. Step 5: Solve for x
    x = 11,860,591,916.94/156,987.40
  6. Step 6: Final answer
    x = 75,551.23

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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.