Home / 132,941.62-183,460-72,513.56

Finding the Fourth Proportional to 132,941.62, 183,460 and 72,513.56

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Solution

The fourth proportional to 132,941.62, 183,460 and 72,513.56 is: 100,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.62 : 183,460 = 72,513.56 : x
  2. Step 2: Convert to fraction form
    132,941.62/183,460 = 72,513.56/x
  3. Step 3: Cross multiply
    132,941.62x = 183,460 × 72,513.56
  4. Step 4: Simplify right side
    132,941.62x = 13,303,336,800.30
  5. Step 5: Solve for x
    x = 13,303,336,800.30/132,941.62
  6. Step 6: Final answer
    x = 100,069.02

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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.