Home / 149,579.70-224,478.90-99,643.20

Finding the Fourth Proportional to 149,579.70, 224,478.90 and 99,643.20

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Solution

The fourth proportional to 149,579.70, 224,478.90 and 99,643.20 is: 149,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,579.70 : 224,478.90 = 99,643.20 : x
  2. Step 2: Convert to fraction form
    149,579.70/224,478.90 = 99,643.20/x
  3. Step 3: Cross multiply
    149,579.70x = 224,478.90 × 99,643.20
  4. Step 4: Simplify right side
    149,579.70x = 22,367,795,928.48
  5. Step 5: Solve for x
    x = 22,367,795,928.48/149,579.70
  6. Step 6: Final answer
    x = 149,537.64

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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.