Home / 156,980.40-235,470.60-104,218.80

Finding the Fourth Proportional to 156,980.40, 235,470.60 and 104,218.80

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Solution

The fourth proportional to 156,980.40, 235,470.60 and 104,218.80 is: 156,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.40 : 235,470.60 = 104,218.80 : x
  2. Step 2: Convert to fraction form
    156,980.40/235,470.60 = 104,218.80/x
  3. Step 3: Cross multiply
    156,980.40x = 235,470.60 × 104,218.80
  4. Step 4: Simplify right side
    156,980.40x = 24,540,463,367.28
  5. Step 5: Solve for x
    x = 24,540,463,367.28/156,980.40
  6. Step 6: Final answer
    x = 156,328.20

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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.