Home / 99,504.72-149,256.74-40,340.25

Finding the Fourth Proportional to 99,504.72, 149,256.74 and 40,340.25

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Solution

The fourth proportional to 99,504.72, 149,256.74 and 40,340.25 is: 60,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.72 : 149,256.74 = 40,340.25 : x
  2. Step 2: Convert to fraction form
    99,504.72/149,256.74 = 40,340.25/x
  3. Step 3: Cross multiply
    99,504.72x = 149,256.74 × 40,340.25
  4. Step 4: Simplify right side
    99,504.72x = 6,021,054,306.64
  5. Step 5: Solve for x
    x = 6,021,054,306.64/99,504.72
  6. Step 6: Final answer
    x = 60,510.24

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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.