Home / 156,739.71-235,109.61-110,200.35

Finding the Fourth Proportional to 156,739.71, 235,109.61 and 110,200.35

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Solution

The fourth proportional to 156,739.71, 235,109.61 and 110,200.35 is: 165,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.71 : 235,109.61 = 110,200.35 : x
  2. Step 2: Convert to fraction form
    156,739.71/235,109.61 = 110,200.35/x
  3. Step 3: Cross multiply
    156,739.71x = 235,109.61 × 110,200.35
  4. Step 4: Simplify right side
    156,739.71x = 25,909,161,310.36
  5. Step 5: Solve for x
    x = 25,909,161,310.36/156,739.71
  6. Step 6: Final answer
    x = 165,300.56

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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.