Home / 149,719.80-224,579.70-70,987.80

Finding the Fourth Proportional to 149,719.80, 224,579.70 and 70,987.80

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Solution

The fourth proportional to 149,719.80, 224,579.70 and 70,987.80 is: 106,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,719.80 : 224,579.70 = 70,987.80 : x
  2. Step 2: Convert to fraction form
    149,719.80/224,579.70 = 70,987.80/x
  3. Step 3: Cross multiply
    149,719.80x = 224,579.70 × 70,987.80
  4. Step 4: Simplify right side
    149,719.80x = 15,942,418,827.66
  5. Step 5: Solve for x
    x = 15,942,418,827.66/149,719.80
  6. Step 6: Final answer
    x = 106,481.70

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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.