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Finding the Fourth Proportional to 162,164.05, 223,800.22 and 90,557.91

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Solution

The fourth proportional to 162,164.05, 223,800.22 and 90,557.91 is: 124,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164.05 : 223,800.22 = 90,557.91 : x
  2. Step 2: Convert to fraction form
    162,164.05/223,800.22 = 90,557.91/x
  3. Step 3: Cross multiply
    162,164.05x = 223,800.22 × 90,557.91
  4. Step 4: Simplify right side
    162,164.05x = 20,266,880,548.63
  5. Step 5: Solve for x
    x = 20,266,880,548.63/162,164.05
  6. Step 6: Final answer
    x = 124,977.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.