Home / 99,627.88-149,402.94-43,485.16

Finding the Fourth Proportional to 99,627.88, 149,402.94 and 43,485.16

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Solution

The fourth proportional to 99,627.88, 149,402.94 and 43,485.16 is: 65,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,627.88 : 149,402.94 = 43,485.16 : x
  2. Step 2: Convert to fraction form
    99,627.88/149,402.94 = 43,485.16/x
  3. Step 3: Cross multiply
    99,627.88x = 149,402.94 × 43,485.16
  4. Step 4: Simplify right side
    99,627.88x = 6,496,810,750.37
  5. Step 5: Solve for x
    x = 6,496,810,750.37/99,627.88
  6. Step 6: Final answer
    x = 65,210.77

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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.