Home / 156,003.40-234,005.10-153,670.60

Finding the Fourth Proportional to 156,003.40, 234,005.10 and 153,670.60

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Solution

The fourth proportional to 156,003.40, 234,005.10 and 153,670.60 is: 230,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,003.40 : 234,005.10 = 153,670.60 : x
  2. Step 2: Convert to fraction form
    156,003.40/234,005.10 = 153,670.60/x
  3. Step 3: Cross multiply
    156,003.40x = 234,005.10 × 153,670.60
  4. Step 4: Simplify right side
    156,003.40x = 35,959,704,120.06
  5. Step 5: Solve for x
    x = 35,959,704,120.06/156,003.40
  6. Step 6: Final answer
    x = 230,505.90

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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.