Home / 99,475.35-149,025.24-77,024.58

Finding the Fourth Proportional to 99,475.35, 149,025.24 and 77,024.58

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Solution

The fourth proportional to 99,475.35, 149,025.24 and 77,024.58 is: 115,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,475.35 : 149,025.24 = 77,024.58 : x
  2. Step 2: Convert to fraction form
    99,475.35/149,025.24 = 77,024.58/x
  3. Step 3: Cross multiply
    99,475.35x = 149,025.24 × 77,024.58
  4. Step 4: Simplify right side
    99,475.35x = 11,478,606,520.40
  5. Step 5: Solve for x
    x = 11,478,606,520.40/99,475.35
  6. Step 6: Final answer
    x = 115,391.47

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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.