Home / 156,954.60-235,431.90-107,188.20

Finding the Fourth Proportional to 156,954.60, 235,431.90 and 107,188.20

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Solution

The fourth proportional to 156,954.60, 235,431.90 and 107,188.20 is: 160,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.60 : 235,431.90 = 107,188.20 : x
  2. Step 2: Convert to fraction form
    156,954.60/235,431.90 = 107,188.20/x
  3. Step 3: Cross multiply
    156,954.60x = 235,431.90 × 107,188.20
  4. Step 4: Simplify right side
    156,954.60x = 25,235,521,583.58
  5. Step 5: Solve for x
    x = 25,235,521,583.58/156,954.60
  6. Step 6: Final answer
    x = 160,782.30

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1.5x scale

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.