Home / 132,751.41-183,195.99-72,322.04

Finding the Fourth Proportional to 132,751.41, 183,195.99 and 72,322.04

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Solution

The fourth proportional to 132,751.41, 183,195.99 and 72,322.04 is: 99,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,751.41 : 183,195.99 = 72,322.04 : x
  2. Step 2: Convert to fraction form
    132,751.41/183,195.99 = 72,322.04/x
  3. Step 3: Cross multiply
    132,751.41x = 183,195.99 × 72,322.04
  4. Step 4: Simplify right side
    132,751.41x = 13,249,106,800.64
  5. Step 5: Solve for x
    x = 13,249,106,800.64/132,751.41
  6. Step 6: Final answer
    x = 99,803.89

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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.