Home / 132,695.48-183,157.39-87,406.52

Finding the Fourth Proportional to 132,695.48, 183,157.39 and 87,406.52

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Solution

The fourth proportional to 132,695.48, 183,157.39 and 87,406.52 is: 120,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,695.48 : 183,157.39 = 87,406.52 : x
  2. Step 2: Convert to fraction form
    132,695.48/183,157.39 = 87,406.52/x
  3. Step 3: Cross multiply
    132,695.48x = 183,157.39 × 87,406.52
  4. Step 4: Simplify right side
    132,695.48x = 16,009,148,937.88
  5. Step 5: Solve for x
    x = 16,009,148,937.88/132,695.48
  6. Step 6: Final answer
    x = 120,645.78

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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.