Home / 99,482.47-149,129.90-49,515.33

Finding the Fourth Proportional to 99,482.47, 149,129.90 and 49,515.33

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Solution

The fourth proportional to 99,482.47, 149,129.90 and 49,515.33 is: 74,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,482.47 : 149,129.90 = 49,515.33 : x
  2. Step 2: Convert to fraction form
    99,482.47/149,129.90 = 49,515.33/x
  3. Step 3: Cross multiply
    99,482.47x = 149,129.90 × 49,515.33
  4. Step 4: Simplify right side
    99,482.47x = 7,384,216,211.37
  5. Step 5: Solve for x
    x = 7,384,216,211.37/99,482.47
  6. Step 6: Final answer
    x = 74,226.31

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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.