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Finding the Fourth Proportional to 162,114.96, 223,696.36 and 90,485.76

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Solution

The fourth proportional to 162,114.96, 223,696.36 and 90,485.76 is: 124,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,114.96 : 223,696.36 = 90,485.76 : x
  2. Step 2: Convert to fraction form
    162,114.96/223,696.36 = 90,485.76/x
  3. Step 3: Cross multiply
    162,114.96x = 223,696.36 × 90,485.76
  4. Step 4: Simplify right side
    162,114.96x = 20,241,335,143.83
  5. Step 5: Solve for x
    x = 20,241,335,143.83/162,114.96
  6. Step 6: Final answer
    x = 124,857.91

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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.