Home / 156,134.63-234,208.43-45,326.63

Finding the Fourth Proportional to 156,134.63, 234,208.43 and 45,326.63

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Solution

The fourth proportional to 156,134.63, 234,208.43 and 45,326.63 is: 67,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,134.63 : 234,208.43 = 45,326.63 : x
  2. Step 2: Convert to fraction form
    156,134.63/234,208.43 = 45,326.63/x
  3. Step 3: Cross multiply
    156,134.63x = 234,208.43 × 45,326.63
  4. Step 4: Simplify right side
    156,134.63x = 10,615,877,451.82
  5. Step 5: Solve for x
    x = 10,615,877,451.82/156,134.63
  6. Step 6: Final answer
    x = 67,991.82

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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.