Home / 134,506.90-201,655.76-87,021.66

Finding the Fourth Proportional to 134,506.90, 201,655.76 and 87,021.66

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Solution

The fourth proportional to 134,506.90, 201,655.76 and 87,021.66 is: 130,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,506.90 : 201,655.76 = 87,021.66 : x
  2. Step 2: Convert to fraction form
    134,506.90/201,655.76 = 87,021.66/x
  3. Step 3: Cross multiply
    134,506.90x = 201,655.76 × 87,021.66
  4. Step 4: Simplify right side
    134,506.90x = 17,548,419,201.32
  5. Step 5: Solve for x
    x = 17,548,419,201.32/134,506.90
  6. Step 6: Final answer
    x = 130,464.83

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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.