Home / 156,342.64-234,426.48-51,133.36

Finding the Fourth Proportional to 156,342.64, 234,426.48 and 51,133.36

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Solution

The fourth proportional to 156,342.64, 234,426.48 and 51,133.36 is: 76,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342.64 : 234,426.48 = 51,133.36 : x
  2. Step 2: Convert to fraction form
    156,342.64/234,426.48 = 51,133.36/x
  3. Step 3: Cross multiply
    156,342.64x = 234,426.48 × 51,133.36
  4. Step 4: Simplify right side
    156,342.64x = 11,987,013,595.37
  5. Step 5: Solve for x
    x = 11,987,013,595.37/156,342.64
  6. Step 6: Final answer
    x = 76,671.43

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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.