Home / 100,117.06-150,180.58-29,989.69

Finding the Fourth Proportional to 100,117.06, 150,180.58 and 29,989.69

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Solution

The fourth proportional to 100,117.06, 150,180.58 and 29,989.69 is: 44,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,117.06 : 150,180.58 = 29,989.69 : x
  2. Step 2: Convert to fraction form
    100,117.06/150,180.58 = 29,989.69/x
  3. Step 3: Cross multiply
    100,117.06x = 150,180.58 × 29,989.69
  4. Step 4: Simplify right side
    100,117.06x = 4,503,869,038.22
  5. Step 5: Solve for x
    x = 4,503,869,038.22/100,117.06
  6. Step 6: Final answer
    x = 44,986.03

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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.