Home / 162,209.77-222,223.69-156,145.12

Finding the Fourth Proportional to 162,209.77, 222,223.69 and 156,145.12

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Solution

The fourth proportional to 162,209.77, 222,223.69 and 156,145.12 is: 213,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,209.77 : 222,223.69 = 156,145.12 : x
  2. Step 2: Convert to fraction form
    162,209.77/222,223.69 = 156,145.12/x
  3. Step 3: Cross multiply
    162,209.77x = 222,223.69 × 156,145.12
  4. Step 4: Simplify right side
    162,209.77x = 34,699,144,161.94
  5. Step 5: Solve for x
    x = 34,699,144,161.94/162,209.77
  6. Step 6: Final answer
    x = 213,915.25

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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.