Home / 149,829.40-224,744.10-39,021.40

Finding the Fourth Proportional to 149,829.40, 224,744.10 and 39,021.40

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Solution

The fourth proportional to 149,829.40, 224,744.10 and 39,021.40 is: 58,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,829.40 : 224,744.10 = 39,021.40 : x
  2. Step 2: Convert to fraction form
    149,829.40/224,744.10 = 39,021.40/x
  3. Step 3: Cross multiply
    149,829.40x = 224,744.10 × 39,021.40
  4. Step 4: Simplify right side
    149,829.40x = 8,769,829,423.74
  5. Step 5: Solve for x
    x = 8,769,829,423.74/149,829.40
  6. Step 6: Final answer
    x = 58,532.10

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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.