Home / 162,210.31-222,224.41-156,145.65

Finding the Fourth Proportional to 162,210.31, 222,224.41 and 156,145.65

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Solution

The fourth proportional to 162,210.31, 222,224.41 and 156,145.65 is: 213,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,210.31 : 222,224.41 = 156,145.65 : x
  2. Step 2: Convert to fraction form
    162,210.31/222,224.41 = 156,145.65/x
  3. Step 3: Cross multiply
    162,210.31x = 222,224.41 × 156,145.65
  4. Step 4: Simplify right side
    162,210.31x = 34,699,374,975.30
  5. Step 5: Solve for x
    x = 34,699,374,975.30/162,210.31
  6. Step 6: Final answer
    x = 213,915.97

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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.