Home / 149,829.90-224,744.85-90,635.10

Finding the Fourth Proportional to 149,829.90, 224,744.85 and 90,635.10

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Solution

The fourth proportional to 149,829.90, 224,744.85 and 90,635.10 is: 135,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,829.90 : 224,744.85 = 90,635.10 : x
  2. Step 2: Convert to fraction form
    149,829.90/224,744.85 = 90,635.10/x
  3. Step 3: Cross multiply
    149,829.90x = 224,744.85 × 90,635.10
  4. Step 4: Simplify right side
    149,829.90x = 20,369,771,954.24
  5. Step 5: Solve for x
    x = 20,369,771,954.24/149,829.90
  6. Step 6: Final answer
    x = 135,952.65

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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.