Home / 99,944.96-149,812.94-47,291.72

Finding the Fourth Proportional to 99,944.96, 149,812.94 and 47,291.72

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Solution

The fourth proportional to 99,944.96, 149,812.94 and 47,291.72 is: 70,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,944.96 : 149,812.94 = 47,291.72 : x
  2. Step 2: Convert to fraction form
    99,944.96/149,812.94 = 47,291.72/x
  3. Step 3: Cross multiply
    99,944.96x = 149,812.94 × 47,291.72
  4. Step 4: Simplify right side
    99,944.96x = 7,084,910,980.02
  5. Step 5: Solve for x
    x = 7,084,910,980.02/99,944.96
  6. Step 6: Final answer
    x = 70,888.13

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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.