Home / 155,168.18-214,132.22-88,100.18

Finding the Fourth Proportional to 155,168.18, 214,132.22 and 88,100.18

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Solution

The fourth proportional to 155,168.18, 214,132.22 and 88,100.18 is: 121,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,168.18 : 214,132.22 = 88,100.18 : x
  2. Step 2: Convert to fraction form
    155,168.18/214,132.22 = 88,100.18/x
  3. Step 3: Cross multiply
    155,168.18x = 214,132.22 × 88,100.18
  4. Step 4: Simplify right side
    155,168.18x = 18,865,087,125.80
  5. Step 5: Solve for x
    x = 18,865,087,125.80/155,168.18
  6. Step 6: Final answer
    x = 121,578.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.