Home / 156,439.89-234,099.25-135,452.32

Finding the Fourth Proportional to 156,439.89, 234,099.25 and 135,452.32

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Solution

The fourth proportional to 156,439.89, 234,099.25 and 135,452.32 is: 202,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,439.89 : 234,099.25 = 135,452.32 : x
  2. Step 2: Convert to fraction form
    156,439.89/234,099.25 = 135,452.32/x
  3. Step 3: Cross multiply
    156,439.89x = 234,099.25 × 135,452.32
  4. Step 4: Simplify right side
    156,439.89x = 31,709,285,598.88
  5. Step 5: Solve for x
    x = 31,709,285,598.88/156,439.89
  6. Step 6: Final answer
    x = 202,693.10

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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.