Home / 162,209.01-222,222.63-156,144.36

Finding the Fourth Proportional to 162,209.01, 222,222.63 and 156,144.36

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Solution

The fourth proportional to 162,209.01, 222,222.63 and 156,144.36 is: 213,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,209.01 : 222,222.63 = 156,144.36 : x
  2. Step 2: Convert to fraction form
    162,209.01/222,222.63 = 156,144.36/x
  3. Step 3: Cross multiply
    162,209.01x = 222,222.63 × 156,144.36
  4. Step 4: Simplify right side
    162,209.01x = 34,698,810,338.87
  5. Step 5: Solve for x
    x = 34,698,810,338.87/162,209.01
  6. Step 6: Final answer
    x = 213,914.20

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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.