Home / 115,515.10-173,256.45-36,637.30

Finding the Fourth Proportional to 115,515.10, 173,256.45 and 36,637.30

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Solution

The fourth proportional to 115,515.10, 173,256.45 and 36,637.30 is: 54,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,515.10 : 173,256.45 = 36,637.30 : x
  2. Step 2: Convert to fraction form
    115,515.10/173,256.45 = 36,637.30/x
  3. Step 3: Cross multiply
    115,515.10x = 173,256.45 × 36,637.30
  4. Step 4: Simplify right side
    115,515.10x = 6,347,648,535.59
  5. Step 5: Solve for x
    x = 6,347,648,535.59/115,515.10
  6. Step 6: Final answer
    x = 54,950.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.