Home / 162,210.87-222,225.19-156,146.21

Finding the Fourth Proportional to 162,210.87, 222,225.19 and 156,146.21

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Solution

The fourth proportional to 162,210.87, 222,225.19 and 156,146.21 is: 213,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,210.87 : 222,225.19 = 156,146.21 : x
  2. Step 2: Convert to fraction form
    162,210.87/222,225.19 = 156,146.21/x
  3. Step 3: Cross multiply
    162,210.87x = 222,225.19 × 156,146.21
  4. Step 4: Simplify right side
    162,210.87x = 34,699,620,404.30
  5. Step 5: Solve for x
    x = 34,699,620,404.30/162,210.87
  6. Step 6: Final answer
    x = 213,916.74

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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.