Home / 132,564.95-182,936.64-72,135.75

Finding the Fourth Proportional to 132,564.95, 182,936.64 and 72,135.75

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Solution

The fourth proportional to 132,564.95, 182,936.64 and 72,135.75 is: 99,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.95 : 182,936.64 = 72,135.75 : x
  2. Step 2: Convert to fraction form
    132,564.95/182,936.64 = 72,135.75/x
  3. Step 3: Cross multiply
    132,564.95x = 182,936.64 × 72,135.75
  4. Step 4: Simplify right side
    132,564.95x = 13,196,271,728.88
  5. Step 5: Solve for x
    x = 13,196,271,728.88/132,564.95
  6. Step 6: Final answer
    x = 99,545.71

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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.