Home / 99,953.96-149,880-33,370.16

Finding the Fourth Proportional to 99,953.96, 149,880 and 33,370.16

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Solution

The fourth proportional to 99,953.96, 149,880 and 33,370.16 is: 50,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,953.96 : 149,880 = 33,370.16 : x
  2. Step 2: Convert to fraction form
    99,953.96/149,880 = 33,370.16/x
  3. Step 3: Cross multiply
    99,953.96x = 149,880 × 33,370.16
  4. Step 4: Simplify right side
    99,953.96x = 5,001,519,580.80
  5. Step 5: Solve for x
    x = 5,001,519,580.80/99,953.96
  6. Step 6: Final answer
    x = 50,038.23

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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.