Home / 99,758.82-149,553.96-46,423.28

Finding the Fourth Proportional to 99,758.82, 149,553.96 and 46,423.28

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Solution

The fourth proportional to 99,758.82, 149,553.96 and 46,423.28 is: 69,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,758.82 : 149,553.96 = 46,423.28 : x
  2. Step 2: Convert to fraction form
    99,758.82/149,553.96 = 46,423.28/x
  3. Step 3: Cross multiply
    99,758.82x = 149,553.96 × 46,423.28
  4. Step 4: Simplify right side
    99,758.82x = 6,942,785,360.19
  5. Step 5: Solve for x
    x = 6,942,785,360.19/99,758.82
  6. Step 6: Final answer
    x = 69,595.70

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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.