Home / 132,909.86-183,276.27-87,529.88

Finding the Fourth Proportional to 132,909.86, 183,276.27 and 87,529.88

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Solution

The fourth proportional to 132,909.86, 183,276.27 and 87,529.88 is: 120,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,909.86 : 183,276.27 = 87,529.88 : x
  2. Step 2: Convert to fraction form
    132,909.86/183,276.27 = 87,529.88/x
  3. Step 3: Cross multiply
    132,909.86x = 183,276.27 × 87,529.88
  4. Step 4: Simplify right side
    132,909.86x = 16,042,150,378.14
  5. Step 5: Solve for x
    x = 16,042,150,378.14/132,909.86
  6. Step 6: Final answer
    x = 120,699.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.