Home / 156,442.64-234,422.42-105,642.59

Finding the Fourth Proportional to 156,442.64, 234,422.42 and 105,642.59

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Solution

The fourth proportional to 156,442.64, 234,422.42 and 105,642.59 is: 158,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,442.64 : 234,422.42 = 105,642.59 : x
  2. Step 2: Convert to fraction form
    156,442.64/234,422.42 = 105,642.59/x
  3. Step 3: Cross multiply
    156,442.64x = 234,422.42 × 105,642.59
  4. Step 4: Simplify right side
    156,442.64x = 24,764,989,902.54
  5. Step 5: Solve for x
    x = 24,764,989,902.54/156,442.64
  6. Step 6: Final answer
    x = 158,300.77

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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.