Home / 118,229.40-177,344.10-103,467.15

Finding the Fourth Proportional to 118,229.40, 177,344.10 and 103,467.15

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Solution

The fourth proportional to 118,229.40, 177,344.10 and 103,467.15 is: 155,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.40 : 177,344.10 = 103,467.15 : x
  2. Step 2: Convert to fraction form
    118,229.40/177,344.10 = 103,467.15/x
  3. Step 3: Cross multiply
    118,229.40x = 177,344.10 × 103,467.15
  4. Step 4: Simplify right side
    118,229.40x = 18,349,288,596.32
  5. Step 5: Solve for x
    x = 18,349,288,596.32/118,229.40
  6. Step 6: Final answer
    x = 155,200.73

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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.