Home / 163,390.90-244,741.92-74,719.03

Finding the Fourth Proportional to 163,390.90, 244,741.92 and 74,719.03

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Solution

The fourth proportional to 163,390.90, 244,741.92 and 74,719.03 is: 111,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,390.90 : 244,741.92 = 74,719.03 : x
  2. Step 2: Convert to fraction form
    163,390.90/244,741.92 = 74,719.03/x
  3. Step 3: Cross multiply
    163,390.90x = 244,741.92 × 74,719.03
  4. Step 4: Simplify right side
    163,390.90x = 18,286,878,862.74
  5. Step 5: Solve for x
    x = 18,286,878,862.74/163,390.90
  6. Step 6: Final answer
    x = 111,921.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.