Home / 125,172.44-187,756.60-30,403.40

Finding the Fourth Proportional to 125,172.44, 187,756.60 and 30,403.40

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Solution

The fourth proportional to 125,172.44, 187,756.60 and 30,403.40 is: 45,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,172.44 : 187,756.60 = 30,403.40 : x
  2. Step 2: Convert to fraction form
    125,172.44/187,756.60 = 30,403.40/x
  3. Step 3: Cross multiply
    125,172.44x = 187,756.60 × 30,403.40
  4. Step 4: Simplify right side
    125,172.44x = 5,708,439,012.44
  5. Step 5: Solve for x
    x = 5,708,439,012.44/125,172.44
  6. Step 6: Final answer
    x = 45,604.60

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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.