Home / 103,638.20-155,457.30-37,083.55

Finding the Fourth Proportional to 103,638.20, 155,457.30 and 37,083.55

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Solution

The fourth proportional to 103,638.20, 155,457.30 and 37,083.55 is: 55,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638.20 : 155,457.30 = 37,083.55 : x
  2. Step 2: Convert to fraction form
    103,638.20/155,457.30 = 37,083.55/x
  3. Step 3: Cross multiply
    103,638.20x = 155,457.30 × 37,083.55
  4. Step 4: Simplify right side
    103,638.20x = 5,764,908,557.42
  5. Step 5: Solve for x
    x = 5,764,908,557.42/103,638.20
  6. Step 6: Final answer
    x = 55,625.33

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1.5x scale

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.