Home / 132,882.26-183,378.96-72,452.42

Finding the Fourth Proportional to 132,882.26, 183,378.96 and 72,452.42

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Solution

The fourth proportional to 132,882.26, 183,378.96 and 72,452.42 is: 99,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,882.26 : 183,378.96 = 72,452.42 : x
  2. Step 2: Convert to fraction form
    132,882.26/183,378.96 = 72,452.42/x
  3. Step 3: Cross multiply
    132,882.26x = 183,378.96 × 72,452.42
  4. Step 4: Simplify right side
    132,882.26x = 13,286,249,429.08
  5. Step 5: Solve for x
    x = 13,286,249,429.08/132,882.26
  6. Step 6: Final answer
    x = 99,985.13

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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.