Home / 145,636.72-201,040.85-97,917.75

Finding the Fourth Proportional to 145,636.72, 201,040.85 and 97,917.75

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Solution

The fourth proportional to 145,636.72, 201,040.85 and 97,917.75 is: 135,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,636.72 : 201,040.85 = 97,917.75 : x
  2. Step 2: Convert to fraction form
    145,636.72/201,040.85 = 97,917.75/x
  3. Step 3: Cross multiply
    145,636.72x = 201,040.85 × 97,917.75
  4. Step 4: Simplify right side
    145,636.72x = 19,685,467,934.88
  5. Step 5: Solve for x
    x = 19,685,467,934.88/145,636.72
  6. Step 6: Final answer
    x = 135,168.30

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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.