Home / 156,791.20-235,106.16-45,968.80

Finding the Fourth Proportional to 156,791.20, 235,106.16 and 45,968.80

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Solution

The fourth proportional to 156,791.20, 235,106.16 and 45,968.80 is: 68,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,791.20 : 235,106.16 = 45,968.80 : x
  2. Step 2: Convert to fraction form
    156,791.20/235,106.16 = 45,968.80/x
  3. Step 3: Cross multiply
    156,791.20x = 235,106.16 × 45,968.80
  4. Step 4: Simplify right side
    156,791.20x = 10,807,548,047.81
  5. Step 5: Solve for x
    x = 10,807,548,047.81/156,791.20
  6. Step 6: Final answer
    x = 68,929.56

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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.