Home / 132,808.76-183,254.64-79,092.40

Finding the Fourth Proportional to 132,808.76, 183,254.64 and 79,092.40

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Solution

The fourth proportional to 132,808.76, 183,254.64 and 79,092.40 is: 109,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,808.76 : 183,254.64 = 79,092.40 : x
  2. Step 2: Convert to fraction form
    132,808.76/183,254.64 = 79,092.40/x
  3. Step 3: Cross multiply
    132,808.76x = 183,254.64 × 79,092.40
  4. Step 4: Simplify right side
    132,808.76x = 14,494,049,288.74
  5. Step 5: Solve for x
    x = 14,494,049,288.74/132,808.76
  6. Step 6: Final answer
    x = 109,134.74

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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.