Home / 162,209.43-222,223.20-156,144.77

Finding the Fourth Proportional to 162,209.43, 222,223.20 and 156,144.77

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Solution

The fourth proportional to 162,209.43, 222,223.20 and 156,144.77 is: 213,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,209.43 : 222,223.20 = 156,144.77 : x
  2. Step 2: Convert to fraction form
    162,209.43/222,223.20 = 156,144.77/x
  3. Step 3: Cross multiply
    162,209.43x = 222,223.20 × 156,144.77
  4. Step 4: Simplify right side
    162,209.43x = 34,698,989,341.55
  5. Step 5: Solve for x
    x = 34,698,989,341.55/162,209.43
  6. Step 6: Final answer
    x = 213,914.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.