Home / 149,971.30-224,911.51-78,855.62

Finding the Fourth Proportional to 149,971.30, 224,911.51 and 78,855.62

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Solution

The fourth proportional to 149,971.30, 224,911.51 and 78,855.62 is: 118,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,971.30 : 224,911.51 = 78,855.62 : x
  2. Step 2: Convert to fraction form
    149,971.30/224,911.51 = 78,855.62/x
  3. Step 3: Cross multiply
    149,971.30x = 224,911.51 × 78,855.62
  4. Step 4: Simplify right side
    149,971.30x = 17,735,535,244.49
  5. Step 5: Solve for x
    x = 17,735,535,244.49/149,971.30
  6. Step 6: Final answer
    x = 118,259.53

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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.