Home / 103,581.12-155,371.77-44,378.40

Finding the Fourth Proportional to 103,581.12, 155,371.77 and 44,378.40

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Solution

The fourth proportional to 103,581.12, 155,371.77 and 44,378.40 is: 66,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581.12 : 155,371.77 = 44,378.40 : x
  2. Step 2: Convert to fraction form
    103,581.12/155,371.77 = 44,378.40/x
  3. Step 3: Cross multiply
    103,581.12x = 155,371.77 × 44,378.40
  4. Step 4: Simplify right side
    103,581.12x = 6,895,150,557.77
  5. Step 5: Solve for x
    x = 6,895,150,557.77/103,581.12
  6. Step 6: Final answer
    x = 66,567.64

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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.