Home / 115,444.90-173,167.35-103,635.10

Finding the Fourth Proportional to 115,444.90, 173,167.35 and 103,635.10

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Solution

The fourth proportional to 115,444.90, 173,167.35 and 103,635.10 is: 155,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.90 : 173,167.35 = 103,635.10 : x
  2. Step 2: Convert to fraction form
    115,444.90/173,167.35 = 103,635.10/x
  3. Step 3: Cross multiply
    115,444.90x = 173,167.35 × 103,635.10
  4. Step 4: Simplify right side
    115,444.90x = 17,946,215,633.99
  5. Step 5: Solve for x
    x = 17,946,215,633.99/115,444.90
  6. Step 6: Final answer
    x = 155,452.65

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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.