Home / 99,222.08-136,892.04-63,433.04

Finding the Fourth Proportional to 99,222.08, 136,892.04 and 63,433.04

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Solution

The fourth proportional to 99,222.08, 136,892.04 and 63,433.04 is: 87,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,222.08 : 136,892.04 = 63,433.04 : x
  2. Step 2: Convert to fraction form
    99,222.08/136,892.04 = 63,433.04/x
  3. Step 3: Cross multiply
    99,222.08x = 136,892.04 × 63,433.04
  4. Step 4: Simplify right side
    99,222.08x = 8,683,478,249.00
  5. Step 5: Solve for x
    x = 8,683,478,249.00/99,222.08
  6. Step 6: Final answer
    x = 87,515.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.