Home / 149,941.96-224,801.84-90,763.64

Finding the Fourth Proportional to 149,941.96, 224,801.84 and 90,763.64

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Solution

The fourth proportional to 149,941.96, 224,801.84 and 90,763.64 is: 136,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,941.96 : 224,801.84 = 90,763.64 : x
  2. Step 2: Convert to fraction form
    149,941.96/224,801.84 = 90,763.64/x
  3. Step 3: Cross multiply
    149,941.96x = 224,801.84 × 90,763.64
  4. Step 4: Simplify right side
    149,941.96x = 20,403,833,277.10
  5. Step 5: Solve for x
    x = 20,403,833,277.10/149,941.96
  6. Step 6: Final answer
    x = 136,078.21

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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.