Home / 156,644.32-234,990.96-51,439.36

Finding the Fourth Proportional to 156,644.32, 234,990.96 and 51,439.36

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Solution

The fourth proportional to 156,644.32, 234,990.96 and 51,439.36 is: 77,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,644.32 : 234,990.96 = 51,439.36 : x
  2. Step 2: Convert to fraction form
    156,644.32/234,990.96 = 51,439.36/x
  3. Step 3: Cross multiply
    156,644.32x = 234,990.96 × 51,439.36
  4. Step 4: Simplify right side
    156,644.32x = 12,087,784,588.19
  5. Step 5: Solve for x
    x = 12,087,784,588.19/156,644.32
  6. Step 6: Final answer
    x = 77,167.08

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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.