Home / 103,635.30-155,258.55-96,636.90

Finding the Fourth Proportional to 103,635.30, 155,258.55 and 96,636.90

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Solution

The fourth proportional to 103,635.30, 155,258.55 and 96,636.90 is: 144,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.30 : 155,258.55 = 96,636.90 : x
  2. Step 2: Convert to fraction form
    103,635.30/155,258.55 = 96,636.90/x
  3. Step 3: Cross multiply
    103,635.30x = 155,258.55 × 96,636.90
  4. Step 4: Simplify right side
    103,635.30x = 15,003,704,970.50
  5. Step 5: Solve for x
    x = 15,003,704,970.50/103,635.30
  6. Step 6: Final answer
    x = 144,774.08

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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.