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Finding the Fourth Proportional to 162,168.80, 223,790.88 and 90,550.08

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Solution

The fourth proportional to 162,168.80, 223,790.88 and 90,550.08 is: 124,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,168.80 : 223,790.88 = 90,550.08 : x
  2. Step 2: Convert to fraction form
    162,168.80/223,790.88 = 90,550.08/x
  3. Step 3: Cross multiply
    162,168.80x = 223,790.88 × 90,550.08
  4. Step 4: Simplify right side
    162,168.80x = 20,264,282,087.27
  5. Step 5: Solve for x
    x = 20,264,282,087.27/162,168.80
  6. Step 6: Final answer
    x = 124,957.96

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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.