Home / 132,564.60-182,941.34-72,137.79

Finding the Fourth Proportional to 132,564.60, 182,941.34 and 72,137.79

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Solution

The fourth proportional to 132,564.60, 182,941.34 and 72,137.79 is: 99,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.60 : 182,941.34 = 72,137.79 : x
  2. Step 2: Convert to fraction form
    132,564.60/182,941.34 = 72,137.79/x
  3. Step 3: Cross multiply
    132,564.60x = 182,941.34 × 72,137.79
  4. Step 4: Simplify right side
    132,564.60x = 13,196,983,606.55
  5. Step 5: Solve for x
    x = 13,196,983,606.55/132,564.60
  6. Step 6: Final answer
    x = 99,551.34

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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.