Home / 134,489.12-201,760.23-39,720.93

Finding the Fourth Proportional to 134,489.12, 201,760.23 and 39,720.93

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Solution

The fourth proportional to 134,489.12, 201,760.23 and 39,720.93 is: 59,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,489.12 : 201,760.23 = 39,720.93 : x
  2. Step 2: Convert to fraction form
    134,489.12/201,760.23 = 39,720.93/x
  3. Step 3: Cross multiply
    134,489.12x = 201,760.23 × 39,720.93
  4. Step 4: Simplify right side
    134,489.12x = 8,014,103,972.61
  5. Step 5: Solve for x
    x = 8,014,103,972.61/134,489.12
  6. Step 6: Final answer
    x = 59,589.24

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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.