Home / 156,310.64-234,085.80-73,228.40

Finding the Fourth Proportional to 156,310.64, 234,085.80 and 73,228.40

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Solution

The fourth proportional to 156,310.64, 234,085.80 and 73,228.40 is: 109,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,310.64 : 234,085.80 = 73,228.40 : x
  2. Step 2: Convert to fraction form
    156,310.64/234,085.80 = 73,228.40/x
  3. Step 3: Cross multiply
    156,310.64x = 234,085.80 × 73,228.40
  4. Step 4: Simplify right side
    156,310.64x = 17,141,728,596.72
  5. Step 5: Solve for x
    x = 17,141,728,596.72/156,310.64
  6. Step 6: Final answer
    x = 109,664.50

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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.