Home / 103,708.60-155,453.55-40,504.30

Finding the Fourth Proportional to 103,708.60, 155,453.55 and 40,504.30

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Solution

The fourth proportional to 103,708.60, 155,453.55 and 40,504.30 is: 60,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,708.60 : 155,453.55 = 40,504.30 : x
  2. Step 2: Convert to fraction form
    103,708.60/155,453.55 = 40,504.30/x
  3. Step 3: Cross multiply
    103,708.60x = 155,453.55 × 40,504.30
  4. Step 4: Simplify right side
    103,708.60x = 6,296,537,225.27
  5. Step 5: Solve for x
    x = 6,296,537,225.27/103,708.60
  6. Step 6: Final answer
    x = 60,713.74

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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.