Home / 156,911.40-235,356.30-50,293.80

Finding the Fourth Proportional to 156,911.40, 235,356.30 and 50,293.80

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Solution

The fourth proportional to 156,911.40, 235,356.30 and 50,293.80 is: 75,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.40 : 235,356.30 = 50,293.80 : x
  2. Step 2: Convert to fraction form
    156,911.40/235,356.30 = 50,293.80/x
  3. Step 3: Cross multiply
    156,911.40x = 235,356.30 × 50,293.80
  4. Step 4: Simplify right side
    156,911.40x = 11,836,962,680.94
  5. Step 5: Solve for x
    x = 11,836,962,680.94/156,911.40
  6. Step 6: Final answer
    x = 75,437.24

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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.