Home / 162,211.38-222,225.89-156,146.73

Finding the Fourth Proportional to 162,211.38, 222,225.89 and 156,146.73

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Solution

The fourth proportional to 162,211.38, 222,225.89 and 156,146.73 is: 213,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,211.38 : 222,225.89 = 156,146.73 : x
  2. Step 2: Convert to fraction form
    162,211.38/222,225.89 = 156,146.73/x
  3. Step 3: Cross multiply
    162,211.38x = 222,225.89 × 156,146.73
  4. Step 4: Simplify right side
    162,211.38x = 34,699,845,264.11
  5. Step 5: Solve for x
    x = 34,699,845,264.11/162,211.38
  6. Step 6: Final answer
    x = 213,917.45

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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.