Home / 90,899.84-136,400.54-52,993.16

Finding the Fourth Proportional to 90,899.84, 136,400.54 and 52,993.16

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Solution

The fourth proportional to 90,899.84, 136,400.54 and 52,993.16 is: 79,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,899.84 : 136,400.54 = 52,993.16 : x
  2. Step 2: Convert to fraction form
    90,899.84/136,400.54 = 52,993.16/x
  3. Step 3: Cross multiply
    90,899.84x = 136,400.54 × 52,993.16
  4. Step 4: Simplify right side
    90,899.84x = 7,228,295,640.31
  5. Step 5: Solve for x
    x = 7,228,295,640.31/90,899.84
  6. Step 6: Final answer
    x = 79,519.34

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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.